Home / 10,809.38-16,215.76-4,569.42

Finding the Fourth Proportional to 10,809.38, 16,215.76 and 4,569.42

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Solution

The fourth proportional to 10,809.38, 16,215.76 and 4,569.42 is: 6,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.38 : 16,215.76 = 4,569.42 : x
  2. Step 2: Convert to fraction form
    10,809.38/16,215.76 = 4,569.42/x
  3. Step 3: Cross multiply
    10,809.38x = 16,215.76 × 4,569.42
  4. Step 4: Simplify right side
    10,809.38x = 74,096,618.06
  5. Step 5: Solve for x
    x = 74,096,618.06/10,809.38
  6. Step 6: Final answer
    x = 6,854.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.