Home / 15,363.78-23,046.12-4,271.28

Finding the Fourth Proportional to 15,363.78, 23,046.12 and 4,271.28

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Solution

The fourth proportional to 15,363.78, 23,046.12 and 4,271.28 is: 6,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.78 : 23,046.12 = 4,271.28 : x
  2. Step 2: Convert to fraction form
    15,363.78/23,046.12 = 4,271.28/x
  3. Step 3: Cross multiply
    15,363.78x = 23,046.12 × 4,271.28
  4. Step 4: Simplify right side
    15,363.78x = 98,436,431.43
  5. Step 5: Solve for x
    x = 98,436,431.43/15,363.78
  6. Step 6: Final answer
    x = 6,407.05

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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.