Home / 12,292.59-18,439.02-5,717.01

Finding the Fourth Proportional to 12,292.59, 18,439.02 and 5,717.01

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Solution

The fourth proportional to 12,292.59, 18,439.02 and 5,717.01 is: 8,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.59 : 18,439.02 = 5,717.01 : x
  2. Step 2: Convert to fraction form
    12,292.59/18,439.02 = 5,717.01/x
  3. Step 3: Cross multiply
    12,292.59x = 18,439.02 × 5,717.01
  4. Step 4: Simplify right side
    12,292.59x = 105,416,061.73
  5. Step 5: Solve for x
    x = 105,416,061.73/12,292.59
  6. Step 6: Final answer
    x = 8,575.58

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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.