Home / 15,539.88-23,264.91-13,937.40

Finding the Fourth Proportional to 15,539.88, 23,264.91 and 13,937.40

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Solution

The fourth proportional to 15,539.88, 23,264.91 and 13,937.40 is: 20,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.88 : 23,264.91 = 13,937.40 : x
  2. Step 2: Convert to fraction form
    15,539.88/23,264.91 = 13,937.40/x
  3. Step 3: Cross multiply
    15,539.88x = 23,264.91 × 13,937.40
  4. Step 4: Simplify right side
    15,539.88x = 324,252,356.63
  5. Step 5: Solve for x
    x = 324,252,356.63/15,539.88
  6. Step 6: Final answer
    x = 20,865.82

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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.