Home / 24,761.25-34,170.36-13,430.76

Finding the Fourth Proportional to 24,761.25, 34,170.36 and 13,430.76

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Solution

The fourth proportional to 24,761.25, 34,170.36 and 13,430.76 is: 18,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,761.25 : 34,170.36 = 13,430.76 : x
  2. Step 2: Convert to fraction form
    24,761.25/34,170.36 = 13,430.76/x
  3. Step 3: Cross multiply
    24,761.25x = 34,170.36 × 13,430.76
  4. Step 4: Simplify right side
    24,761.25x = 458,933,904.27
  5. Step 5: Solve for x
    x = 458,933,904.27/24,761.25
  6. Step 6: Final answer
    x = 18,534.36

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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.