Home / 18,115.49-24,999.05-10,157.69

Finding the Fourth Proportional to 18,115.49, 24,999.05 and 10,157.69

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Solution

The fourth proportional to 18,115.49, 24,999.05 and 10,157.69 is: 14,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.49 : 24,999.05 = 10,157.69 : x
  2. Step 2: Convert to fraction form
    18,115.49/24,999.05 = 10,157.69/x
  3. Step 3: Cross multiply
    18,115.49x = 24,999.05 × 10,157.69
  4. Step 4: Simplify right side
    18,115.49x = 253,932,424.41
  5. Step 5: Solve for x
    x = 253,932,424.41/18,115.49
  6. Step 6: Final answer
    x = 14,017.42

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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.