Home / 15,760.61-23,655.84-11,587.91

Finding the Fourth Proportional to 15,760.61, 23,655.84 and 11,587.91

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Solution

The fourth proportional to 15,760.61, 23,655.84 and 11,587.91 is: 17,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.61 : 23,655.84 = 11,587.91 : x
  2. Step 2: Convert to fraction form
    15,760.61/23,655.84 = 11,587.91/x
  3. Step 3: Cross multiply
    15,760.61x = 23,655.84 × 11,587.91
  4. Step 4: Simplify right side
    15,760.61x = 274,121,744.89
  5. Step 5: Solve for x
    x = 274,121,744.89/15,760.61
  6. Step 6: Final answer
    x = 17,392.84

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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.