Home / 42,574.04-63,853.76-11,402

Finding the Fourth Proportional to 42,574.04, 63,853.76 and 11,402

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Solution

The fourth proportional to 42,574.04, 63,853.76 and 11,402 is: 17,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574.04 : 63,853.76 = 11,402 : x
  2. Step 2: Convert to fraction form
    42,574.04/63,853.76 = 11,402/x
  3. Step 3: Cross multiply
    42,574.04x = 63,853.76 × 11,402
  4. Step 4: Simplify right side
    42,574.04x = 728,060,571.52
  5. Step 5: Solve for x
    x = 728,060,571.52/42,574.04
  6. Step 6: Final answer
    x = 17,101.04

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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.