Home / 14,785.40-22,178.10-13,575.80

Finding the Fourth Proportional to 14,785.40, 22,178.10 and 13,575.80

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Solution

The fourth proportional to 14,785.40, 22,178.10 and 13,575.80 is: 20,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.40 : 22,178.10 = 13,575.80 : x
  2. Step 2: Convert to fraction form
    14,785.40/22,178.10 = 13,575.80/x
  3. Step 3: Cross multiply
    14,785.40x = 22,178.10 × 13,575.80
  4. Step 4: Simplify right side
    14,785.40x = 301,085,449.98
  5. Step 5: Solve for x
    x = 301,085,449.98/14,785.40
  6. Step 6: Final answer
    x = 20,363.70

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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.