Home / 15,250.24-21,028.62-9,935.20

Finding the Fourth Proportional to 15,250.24, 21,028.62 and 9,935.20

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Solution

The fourth proportional to 15,250.24, 21,028.62 and 9,935.20 is: 13,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.24 : 21,028.62 = 9,935.20 : x
  2. Step 2: Convert to fraction form
    15,250.24/21,028.62 = 9,935.20/x
  3. Step 3: Cross multiply
    15,250.24x = 21,028.62 × 9,935.20
  4. Step 4: Simplify right side
    15,250.24x = 208,923,545.42
  5. Step 5: Solve for x
    x = 208,923,545.42/15,250.24
  6. Step 6: Final answer
    x = 13,699.69

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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.