Home / 14,265.46-21,388.62-12,781.04

Finding the Fourth Proportional to 14,265.46, 21,388.62 and 12,781.04

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Solution

The fourth proportional to 14,265.46, 21,388.62 and 12,781.04 is: 19,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.46 : 21,388.62 = 12,781.04 : x
  2. Step 2: Convert to fraction form
    14,265.46/21,388.62 = 12,781.04/x
  3. Step 3: Cross multiply
    14,265.46x = 21,388.62 × 12,781.04
  4. Step 4: Simplify right side
    14,265.46x = 273,368,700.82
  5. Step 5: Solve for x
    x = 273,368,700.82/14,265.46
  6. Step 6: Final answer
    x = 19,162.98

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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.