Home / 15,139.78-22,710.52-4,610.14

Finding the Fourth Proportional to 15,139.78, 22,710.52 and 4,610.14

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Solution

The fourth proportional to 15,139.78, 22,710.52 and 4,610.14 is: 6,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.78 : 22,710.52 = 4,610.14 : x
  2. Step 2: Convert to fraction form
    15,139.78/22,710.52 = 4,610.14/x
  3. Step 3: Cross multiply
    15,139.78x = 22,710.52 × 4,610.14
  4. Step 4: Simplify right side
    15,139.78x = 104,698,676.67
  5. Step 5: Solve for x
    x = 104,698,676.67/15,139.78
  6. Step 6: Final answer
    x = 6,915.47

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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.