Home / 42,294.76-63,434.94-11,130.28

Finding the Fourth Proportional to 42,294.76, 63,434.94 and 11,130.28

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Solution

The fourth proportional to 42,294.76, 63,434.94 and 11,130.28 is: 16,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,294.76 : 63,434.94 = 11,130.28 : x
  2. Step 2: Convert to fraction form
    42,294.76/63,434.94 = 11,130.28/x
  3. Step 3: Cross multiply
    42,294.76x = 63,434.94 × 11,130.28
  4. Step 4: Simplify right side
    42,294.76x = 706,048,643.98
  5. Step 5: Solve for x
    x = 706,048,643.98/42,294.76
  6. Step 6: Final answer
    x = 16,693.53

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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.