Home / 15,122.34-22,671.39-5,760.48

Finding the Fourth Proportional to 15,122.34, 22,671.39 and 5,760.48

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Solution

The fourth proportional to 15,122.34, 22,671.39 and 5,760.48 is: 8,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.34 : 22,671.39 = 5,760.48 : x
  2. Step 2: Convert to fraction form
    15,122.34/22,671.39 = 5,760.48/x
  3. Step 3: Cross multiply
    15,122.34x = 22,671.39 × 5,760.48
  4. Step 4: Simplify right side
    15,122.34x = 130,598,088.67
  5. Step 5: Solve for x
    x = 130,598,088.67/15,122.34
  6. Step 6: Final answer
    x = 8,636.10

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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.