Home / 17,682.38-24,389.19-15,011.40

Finding the Fourth Proportional to 17,682.38, 24,389.19 and 15,011.40

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Solution

The fourth proportional to 17,682.38, 24,389.19 and 15,011.40 is: 20,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.38 : 24,389.19 = 15,011.40 : x
  2. Step 2: Convert to fraction form
    17,682.38/24,389.19 = 15,011.40/x
  3. Step 3: Cross multiply
    17,682.38x = 24,389.19 × 15,011.40
  4. Step 4: Simplify right side
    17,682.38x = 366,115,886.77
  5. Step 5: Solve for x
    x = 366,115,886.77/17,682.38
  6. Step 6: Final answer
    x = 20,705.13

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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.