Home / 25,134.98-34,686.34-13,649.92

Finding the Fourth Proportional to 25,134.98, 34,686.34 and 13,649.92

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Solution

The fourth proportional to 25,134.98, 34,686.34 and 13,649.92 is: 18,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.98 : 34,686.34 = 13,649.92 : x
  2. Step 2: Convert to fraction form
    25,134.98/34,686.34 = 13,649.92/x
  3. Step 3: Cross multiply
    25,134.98x = 34,686.34 × 13,649.92
  4. Step 4: Simplify right side
    25,134.98x = 473,465,722.03
  5. Step 5: Solve for x
    x = 473,465,722.03/25,134.98
  6. Step 6: Final answer
    x = 18,836.93

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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.