Home / 17,948.81-24,769.01-9,990.96

Finding the Fourth Proportional to 17,948.81, 24,769.01 and 9,990.96

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Solution

The fourth proportional to 17,948.81, 24,769.01 and 9,990.96 is: 13,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.81 : 24,769.01 = 9,990.96 : x
  2. Step 2: Convert to fraction form
    17,948.81/24,769.01 = 9,990.96/x
  3. Step 3: Cross multiply
    17,948.81x = 24,769.01 × 9,990.96
  4. Step 4: Simplify right side
    17,948.81x = 247,466,138.19
  5. Step 5: Solve for x
    x = 247,466,138.19/17,948.81
  6. Step 6: Final answer
    x = 13,787.33

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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.