Home / 17,916.18-24,723.81-9,958.20

Finding the Fourth Proportional to 17,916.18, 24,723.81 and 9,958.20

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Solution

The fourth proportional to 17,916.18, 24,723.81 and 9,958.20 is: 13,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.18 : 24,723.81 = 9,958.20 : x
  2. Step 2: Convert to fraction form
    17,916.18/24,723.81 = 9,958.20/x
  3. Step 3: Cross multiply
    17,916.18x = 24,723.81 × 9,958.20
  4. Step 4: Simplify right side
    17,916.18x = 246,204,644.74
  5. Step 5: Solve for x
    x = 246,204,644.74/17,916.18
  6. Step 6: Final answer
    x = 13,742.03

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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.