Home / 42,603.43-63,904.77-11,010.79

Finding the Fourth Proportional to 42,603.43, 63,904.77 and 11,010.79

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Solution

The fourth proportional to 42,603.43, 63,904.77 and 11,010.79 is: 16,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,603.43 : 63,904.77 = 11,010.79 : x
  2. Step 2: Convert to fraction form
    42,603.43/63,904.77 = 11,010.79/x
  3. Step 3: Cross multiply
    42,603.43x = 63,904.77 × 11,010.79
  4. Step 4: Simplify right side
    42,603.43x = 703,642,002.47
  5. Step 5: Solve for x
    x = 703,642,002.47/42,603.43
  6. Step 6: Final answer
    x = 16,516.09

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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.