Home / 15,579.20-23,366.10-5,713.40

Finding the Fourth Proportional to 15,579.20, 23,366.10 and 5,713.40

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Solution

The fourth proportional to 15,579.20, 23,366.10 and 5,713.40 is: 8,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.20 : 23,366.10 = 5,713.40 : x
  2. Step 2: Convert to fraction form
    15,579.20/23,366.10 = 5,713.40/x
  3. Step 3: Cross multiply
    15,579.20x = 23,366.10 × 5,713.40
  4. Step 4: Simplify right side
    15,579.20x = 133,499,875.74
  5. Step 5: Solve for x
    x = 133,499,875.74/15,579.20
  6. Step 6: Final answer
    x = 8,569.11

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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.