Home / 15,102.90-22,645.38-4,569.72

Finding the Fourth Proportional to 15,102.90, 22,645.38 and 4,569.72

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Solution

The fourth proportional to 15,102.90, 22,645.38 and 4,569.72 is: 6,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.90 : 22,645.38 = 4,569.72 : x
  2. Step 2: Convert to fraction form
    15,102.90/22,645.38 = 4,569.72/x
  3. Step 3: Cross multiply
    15,102.90x = 22,645.38 × 4,569.72
  4. Step 4: Simplify right side
    15,102.90x = 103,483,045.89
  5. Step 5: Solve for x
    x = 103,483,045.89/15,102.90
  6. Step 6: Final answer
    x = 6,851.87

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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.