Home / 9,011.60-12,440.57-6,180.12

Finding the Fourth Proportional to 9,011.60, 12,440.57 and 6,180.12

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Solution

The fourth proportional to 9,011.60, 12,440.57 and 6,180.12 is: 8,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.60 : 12,440.57 = 6,180.12 : x
  2. Step 2: Convert to fraction form
    9,011.60/12,440.57 = 6,180.12/x
  3. Step 3: Cross multiply
    9,011.60x = 12,440.57 × 6,180.12
  4. Step 4: Simplify right side
    9,011.60x = 76,884,184.57
  5. Step 5: Solve for x
    x = 76,884,184.57/9,011.60
  6. Step 6: Final answer
    x = 8,531.69

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Half scale
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Double scale
Find fourth proportional to 9,012.60, 12,441.95 and 6,181.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.