Home / 15,885.60-23,811.12-10,342.80

Finding the Fourth Proportional to 15,885.60, 23,811.12 and 10,342.80

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Solution

The fourth proportional to 15,885.60, 23,811.12 and 10,342.80 is: 15,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.60 : 23,811.12 = 10,342.80 : x
  2. Step 2: Convert to fraction form
    15,885.60/23,811.12 = 10,342.80/x
  3. Step 3: Cross multiply
    15,885.60x = 23,811.12 × 10,342.80
  4. Step 4: Simplify right side
    15,885.60x = 246,273,651.94
  5. Step 5: Solve for x
    x = 246,273,651.94/15,885.60
  6. Step 6: Final answer
    x = 15,502.95

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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.