Home / 25,009.13-34,513.49-13,677.95

Finding the Fourth Proportional to 25,009.13, 34,513.49 and 13,677.95

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Solution

The fourth proportional to 25,009.13, 34,513.49 and 13,677.95 is: 18,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.13 : 34,513.49 = 13,677.95 : x
  2. Step 2: Convert to fraction form
    25,009.13/34,513.49 = 13,677.95/x
  3. Step 3: Cross multiply
    25,009.13x = 34,513.49 × 13,677.95
  4. Step 4: Simplify right side
    25,009.13x = 472,073,911.02
  5. Step 5: Solve for x
    x = 472,073,911.02/25,009.13
  6. Step 6: Final answer
    x = 18,876.06

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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.