Home / 15,871.66-23,780.69-9,612.79

Finding the Fourth Proportional to 15,871.66, 23,780.69 and 9,612.79

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Solution

The fourth proportional to 15,871.66, 23,780.69 and 9,612.79 is: 14,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.66 : 23,780.69 = 9,612.79 : x
  2. Step 2: Convert to fraction form
    15,871.66/23,780.69 = 9,612.79/x
  3. Step 3: Cross multiply
    15,871.66x = 23,780.69 × 9,612.79
  4. Step 4: Simplify right side
    15,871.66x = 228,598,612.06
  5. Step 5: Solve for x
    x = 228,598,612.06/15,871.66
  6. Step 6: Final answer
    x = 14,402.95

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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.