Home / 13,154.93-19,740.17-4,840.78

Finding the Fourth Proportional to 13,154.93, 19,740.17 and 4,840.78

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Solution

The fourth proportional to 13,154.93, 19,740.17 and 4,840.78 is: 7,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.93 : 19,740.17 = 4,840.78 : x
  2. Step 2: Convert to fraction form
    13,154.93/19,740.17 = 4,840.78/x
  3. Step 3: Cross multiply
    13,154.93x = 19,740.17 × 4,840.78
  4. Step 4: Simplify right side
    13,154.93x = 95,557,819.90
  5. Step 5: Solve for x
    x = 95,557,819.90/13,154.93
  6. Step 6: Final answer
    x = 7,264.03

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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.