Home / 18,265.91-25,207.36-10,089.50

Finding the Fourth Proportional to 18,265.91, 25,207.36 and 10,089.50

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Solution

The fourth proportional to 18,265.91, 25,207.36 and 10,089.50 is: 13,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.91 : 25,207.36 = 10,089.50 : x
  2. Step 2: Convert to fraction form
    18,265.91/25,207.36 = 10,089.50/x
  3. Step 3: Cross multiply
    18,265.91x = 25,207.36 × 10,089.50
  4. Step 4: Simplify right side
    18,265.91x = 254,329,532.68
  5. Step 5: Solve for x
    x = 254,329,532.68/18,265.91
  6. Step 6: Final answer
    x = 13,923.73

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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.