Home / 18,864.63-26,007.17-15,049.22

Finding the Fourth Proportional to 18,864.63, 26,007.17 and 15,049.22

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Solution

The fourth proportional to 18,864.63, 26,007.17 and 15,049.22 is: 20,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.63 : 26,007.17 = 15,049.22 : x
  2. Step 2: Convert to fraction form
    18,864.63/26,007.17 = 15,049.22/x
  3. Step 3: Cross multiply
    18,864.63x = 26,007.17 × 15,049.22
  4. Step 4: Simplify right side
    18,864.63x = 391,387,530.49
  5. Step 5: Solve for x
    x = 391,387,530.49/18,864.63
  6. Step 6: Final answer
    x = 20,747.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.