Home / 25,134.17-34,683.77-13,805.15

Finding the Fourth Proportional to 25,134.17, 34,683.77 and 13,805.15

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Solution

The fourth proportional to 25,134.17, 34,683.77 and 13,805.15 is: 19,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.17 : 34,683.77 = 13,805.15 : x
  2. Step 2: Convert to fraction form
    25,134.17/34,683.77 = 13,805.15/x
  3. Step 3: Cross multiply
    25,134.17x = 34,683.77 × 13,805.15
  4. Step 4: Simplify right side
    25,134.17x = 478,814,647.42
  5. Step 5: Solve for x
    x = 478,814,647.42/25,134.17
  6. Step 6: Final answer
    x = 19,050.35

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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.