Home / 18,308.40-25,265.70-9,924.90

Finding the Fourth Proportional to 18,308.40, 25,265.70 and 9,924.90

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Solution

The fourth proportional to 18,308.40, 25,265.70 and 9,924.90 is: 13,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.40 : 25,265.70 = 9,924.90 : x
  2. Step 2: Convert to fraction form
    18,308.40/25,265.70 = 9,924.90/x
  3. Step 3: Cross multiply
    18,308.40x = 25,265.70 × 9,924.90
  4. Step 4: Simplify right side
    18,308.40x = 250,759,545.93
  5. Step 5: Solve for x
    x = 250,759,545.93/18,308.40
  6. Step 6: Final answer
    x = 13,696.42

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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.