Home / 9,153.33-12,630.90-6,173.20

Finding the Fourth Proportional to 9,153.33, 12,630.90 and 6,173.20

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Solution

The fourth proportional to 9,153.33, 12,630.90 and 6,173.20 is: 8,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.33 : 12,630.90 = 6,173.20 : x
  2. Step 2: Convert to fraction form
    9,153.33/12,630.90 = 6,173.20/x
  3. Step 3: Cross multiply
    9,153.33x = 12,630.90 × 6,173.20
  4. Step 4: Simplify right side
    9,153.33x = 77,973,071.88
  5. Step 5: Solve for x
    x = 77,973,071.88/9,153.33
  6. Step 6: Final answer
    x = 8,518.55

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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.