Home / 15,186.88-22,769.39-9,331.39

Finding the Fourth Proportional to 15,186.88, 22,769.39 and 9,331.39

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Solution

The fourth proportional to 15,186.88, 22,769.39 and 9,331.39 is: 13,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.88 : 22,769.39 = 9,331.39 : x
  2. Step 2: Convert to fraction form
    15,186.88/22,769.39 = 9,331.39/x
  3. Step 3: Cross multiply
    15,186.88x = 22,769.39 × 9,331.39
  4. Step 4: Simplify right side
    15,186.88x = 212,470,011.50
  5. Step 5: Solve for x
    x = 212,470,011.50/15,186.88
  6. Step 6: Final answer
    x = 13,990.37

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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.