Home / 11,220.16-15,484.15-6,184.70

Finding the Fourth Proportional to 11,220.16, 15,484.15 and 6,184.70

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Solution

The fourth proportional to 11,220.16, 15,484.15 and 6,184.70 is: 8,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.16 : 15,484.15 = 6,184.70 : x
  2. Step 2: Convert to fraction form
    11,220.16/15,484.15 = 6,184.70/x
  3. Step 3: Cross multiply
    11,220.16x = 15,484.15 × 6,184.70
  4. Step 4: Simplify right side
    11,220.16x = 95,764,863.19
  5. Step 5: Solve for x
    x = 95,764,863.19/11,220.16
  6. Step 6: Final answer
    x = 8,535.07

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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.