Home / 15,146.61-22,720.82-4,758.36

Finding the Fourth Proportional to 15,146.61, 22,720.82 and 4,758.36

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Solution

The fourth proportional to 15,146.61, 22,720.82 and 4,758.36 is: 7,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.61 : 22,720.82 = 4,758.36 : x
  2. Step 2: Convert to fraction form
    15,146.61/22,720.82 = 4,758.36/x
  3. Step 3: Cross multiply
    15,146.61x = 22,720.82 × 4,758.36
  4. Step 4: Simplify right side
    15,146.61x = 108,113,841.06
  5. Step 5: Solve for x
    x = 108,113,841.06/15,146.61
  6. Step 6: Final answer
    x = 7,137.82

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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.