Home / 14,215.38-21,332.79-7,294.74

Finding the Fourth Proportional to 14,215.38, 21,332.79 and 7,294.74

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Solution

The fourth proportional to 14,215.38, 21,332.79 and 7,294.74 is: 10,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.38 : 21,332.79 = 7,294.74 : x
  2. Step 2: Convert to fraction form
    14,215.38/21,332.79 = 7,294.74/x
  3. Step 3: Cross multiply
    14,215.38x = 21,332.79 × 7,294.74
  4. Step 4: Simplify right side
    14,215.38x = 155,617,156.52
  5. Step 5: Solve for x
    x = 155,617,156.52/14,215.38
  6. Step 6: Final answer
    x = 10,947.10

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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.