Home / 11,281.28-15,569.04-6,502.70

Finding the Fourth Proportional to 11,281.28, 15,569.04 and 6,502.70

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Solution

The fourth proportional to 11,281.28, 15,569.04 and 6,502.70 is: 8,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.28 : 15,569.04 = 6,502.70 : x
  2. Step 2: Convert to fraction form
    11,281.28/15,569.04 = 6,502.70/x
  3. Step 3: Cross multiply
    11,281.28x = 15,569.04 × 6,502.70
  4. Step 4: Simplify right side
    11,281.28x = 101,240,796.41
  5. Step 5: Solve for x
    x = 101,240,796.41/11,281.28
  6. Step 6: Final answer
    x = 8,974.23

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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.