Home / 15,808.88-23,713.32-13,981.52

Finding the Fourth Proportional to 15,808.88, 23,713.32 and 13,981.52

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Solution

The fourth proportional to 15,808.88, 23,713.32 and 13,981.52 is: 20,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.88 : 23,713.32 = 13,981.52 : x
  2. Step 2: Convert to fraction form
    15,808.88/23,713.32 = 13,981.52/x
  3. Step 3: Cross multiply
    15,808.88x = 23,713.32 × 13,981.52
  4. Step 4: Simplify right side
    15,808.88x = 331,548,257.85
  5. Step 5: Solve for x
    x = 331,548,257.85/15,808.88
  6. Step 6: Final answer
    x = 20,972.28

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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.