Home / 15,819.24-23,726.16-7,913.64

Finding the Fourth Proportional to 15,819.24, 23,726.16 and 7,913.64

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Solution

The fourth proportional to 15,819.24, 23,726.16 and 7,913.64 is: 11,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.24 : 23,726.16 = 7,913.64 : x
  2. Step 2: Convert to fraction form
    15,819.24/23,726.16 = 7,913.64/x
  3. Step 3: Cross multiply
    15,819.24x = 23,726.16 × 7,913.64
  4. Step 4: Simplify right side
    15,819.24x = 187,760,288.82
  5. Step 5: Solve for x
    x = 187,760,288.82/15,819.24
  6. Step 6: Final answer
    x = 11,869.11

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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.