Home / 18,034.12-27,013.92-10,615.72

Finding the Fourth Proportional to 18,034.12, 27,013.92 and 10,615.72

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Solution

The fourth proportional to 18,034.12, 27,013.92 and 10,615.72 is: 15,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.12 : 27,013.92 = 10,615.72 : x
  2. Step 2: Convert to fraction form
    18,034.12/27,013.92 = 10,615.72/x
  3. Step 3: Cross multiply
    18,034.12x = 27,013.92 × 10,615.72
  4. Step 4: Simplify right side
    18,034.12x = 286,772,210.82
  5. Step 5: Solve for x
    x = 286,772,210.82/18,034.12
  6. Step 6: Final answer
    x = 15,901.65

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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.