Home / 11,529.28-15,909.22-6,492.70

Finding the Fourth Proportional to 11,529.28, 15,909.22 and 6,492.70

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Solution

The fourth proportional to 11,529.28, 15,909.22 and 6,492.70 is: 8,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.28 : 15,909.22 = 6,492.70 : x
  2. Step 2: Convert to fraction form
    11,529.28/15,909.22 = 6,492.70/x
  3. Step 3: Cross multiply
    11,529.28x = 15,909.22 × 6,492.70
  4. Step 4: Simplify right side
    11,529.28x = 103,293,792.69
  5. Step 5: Solve for x
    x = 103,293,792.69/11,529.28
  6. Step 6: Final answer
    x = 8,959.26

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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.