Home / 10,358.13-14,294.57-5,642.85

Finding the Fourth Proportional to 10,358.13, 14,294.57 and 5,642.85

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Solution

The fourth proportional to 10,358.13, 14,294.57 and 5,642.85 is: 7,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.13 : 14,294.57 = 5,642.85 : x
  2. Step 2: Convert to fraction form
    10,358.13/14,294.57 = 5,642.85/x
  3. Step 3: Cross multiply
    10,358.13x = 14,294.57 × 5,642.85
  4. Step 4: Simplify right side
    10,358.13x = 80,662,086.11
  5. Step 5: Solve for x
    x = 80,662,086.11/10,358.13
  6. Step 6: Final answer
    x = 7,787.32

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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.