Home / 15,546.24-21,442.56-10,245.12

Finding the Fourth Proportional to 15,546.24, 21,442.56 and 10,245.12

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Solution

The fourth proportional to 15,546.24, 21,442.56 and 10,245.12 is: 14,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.24 : 21,442.56 = 10,245.12 : x
  2. Step 2: Convert to fraction form
    15,546.24/21,442.56 = 10,245.12/x
  3. Step 3: Cross multiply
    15,546.24x = 21,442.56 × 10,245.12
  4. Step 4: Simplify right side
    15,546.24x = 219,681,600.31
  5. Step 5: Solve for x
    x = 219,681,600.31/15,546.24
  6. Step 6: Final answer
    x = 14,130.85

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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.