Home / 18,767.17-28,126.14-10,442.89

Finding the Fourth Proportional to 18,767.17, 28,126.14 and 10,442.89

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Solution

The fourth proportional to 18,767.17, 28,126.14 and 10,442.89 is: 15,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.17 : 28,126.14 = 10,442.89 : x
  2. Step 2: Convert to fraction form
    18,767.17/28,126.14 = 10,442.89/x
  3. Step 3: Cross multiply
    18,767.17x = 28,126.14 × 10,442.89
  4. Step 4: Simplify right side
    18,767.17x = 293,718,186.14
  5. Step 5: Solve for x
    x = 293,718,186.14/18,767.17
  6. Step 6: Final answer
    x = 15,650.64

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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.