Home / 15,521.89-23,261.31-5,655.79

Finding the Fourth Proportional to 15,521.89, 23,261.31 and 5,655.79

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Solution

The fourth proportional to 15,521.89, 23,261.31 and 5,655.79 is: 8,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.89 : 23,261.31 = 5,655.79 : x
  2. Step 2: Convert to fraction form
    15,521.89/23,261.31 = 5,655.79/x
  3. Step 3: Cross multiply
    15,521.89x = 23,261.31 × 5,655.79
  4. Step 4: Simplify right side
    15,521.89x = 131,561,003.50
  5. Step 5: Solve for x
    x = 131,561,003.50/15,521.89
  6. Step 6: Final answer
    x = 8,475.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.