Home / 18,499.03-25,529.07-10,115.53

Finding the Fourth Proportional to 18,499.03, 25,529.07 and 10,115.53

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Solution

The fourth proportional to 18,499.03, 25,529.07 and 10,115.53 is: 13,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.03 : 25,529.07 = 10,115.53 : x
  2. Step 2: Convert to fraction form
    18,499.03/25,529.07 = 10,115.53/x
  3. Step 3: Cross multiply
    18,499.03x = 25,529.07 × 10,115.53
  4. Step 4: Simplify right side
    18,499.03x = 258,240,073.46
  5. Step 5: Solve for x
    x = 258,240,073.46/18,499.03
  6. Step 6: Final answer
    x = 13,959.65

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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.