Home / 20,250.69-30,367.13-9,156.93

Finding the Fourth Proportional to 20,250.69, 30,367.13 and 9,156.93

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Solution

The fourth proportional to 20,250.69, 30,367.13 and 9,156.93 is: 13,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.69 : 30,367.13 = 9,156.93 : x
  2. Step 2: Convert to fraction form
    20,250.69/30,367.13 = 9,156.93/x
  3. Step 3: Cross multiply
    20,250.69x = 30,367.13 × 9,156.93
  4. Step 4: Simplify right side
    20,250.69x = 278,069,637.93
  5. Step 5: Solve for x
    x = 278,069,637.93/20,250.69
  6. Step 6: Final answer
    x = 13,731.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.