Home / 18,612.23-27,898.29-7,513.20

Finding the Fourth Proportional to 18,612.23, 27,898.29 and 7,513.20

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Solution

The fourth proportional to 18,612.23, 27,898.29 and 7,513.20 is: 11,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.23 : 27,898.29 = 7,513.20 : x
  2. Step 2: Convert to fraction form
    18,612.23/27,898.29 = 7,513.20/x
  3. Step 3: Cross multiply
    18,612.23x = 27,898.29 × 7,513.20
  4. Step 4: Simplify right side
    18,612.23x = 209,605,432.43
  5. Step 5: Solve for x
    x = 209,605,432.43/18,612.23
  6. Step 6: Final answer
    x = 11,261.71

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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.