Home / 14,753.43-20,364.98-13,178.79

Finding the Fourth Proportional to 14,753.43, 20,364.98 and 13,178.79

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Solution

The fourth proportional to 14,753.43, 20,364.98 and 13,178.79 is: 18,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.43 : 20,364.98 = 13,178.79 : x
  2. Step 2: Convert to fraction form
    14,753.43/20,364.98 = 13,178.79/x
  3. Step 3: Cross multiply
    14,753.43x = 20,364.98 × 13,178.79
  4. Step 4: Simplify right side
    14,753.43x = 268,385,794.77
  5. Step 5: Solve for x
    x = 268,385,794.77/14,753.43
  6. Step 6: Final answer
    x = 18,191.42

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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.