Home / 18,829.38-25,985.03-10,331.87

Finding the Fourth Proportional to 18,829.38, 25,985.03 and 10,331.87

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Solution

The fourth proportional to 18,829.38, 25,985.03 and 10,331.87 is: 14,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.38 : 25,985.03 = 10,331.87 : x
  2. Step 2: Convert to fraction form
    18,829.38/25,985.03 = 10,331.87/x
  3. Step 3: Cross multiply
    18,829.38x = 25,985.03 × 10,331.87
  4. Step 4: Simplify right side
    18,829.38x = 268,473,770.32
  5. Step 5: Solve for x
    x = 268,473,770.32/18,829.38
  6. Step 6: Final answer
    x = 14,258.24

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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.