Home / 15,731.70-23,601.69-4,638.66

Finding the Fourth Proportional to 15,731.70, 23,601.69 and 4,638.66

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Solution

The fourth proportional to 15,731.70, 23,601.69 and 4,638.66 is: 6,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.70 : 23,601.69 = 4,638.66 : x
  2. Step 2: Convert to fraction form
    15,731.70/23,601.69 = 4,638.66/x
  3. Step 3: Cross multiply
    15,731.70x = 23,601.69 × 4,638.66
  4. Step 4: Simplify right side
    15,731.70x = 109,480,215.34
  5. Step 5: Solve for x
    x = 109,480,215.34/15,731.70
  6. Step 6: Final answer
    x = 6,959.21

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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.