Home / 10,153.12-15,230.56-3,916.16

Finding the Fourth Proportional to 10,153.12, 15,230.56 and 3,916.16

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Solution

The fourth proportional to 10,153.12, 15,230.56 and 3,916.16 is: 5,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.12 : 15,230.56 = 3,916.16 : x
  2. Step 2: Convert to fraction form
    10,153.12/15,230.56 = 3,916.16/x
  3. Step 3: Cross multiply
    10,153.12x = 15,230.56 × 3,916.16
  4. Step 4: Simplify right side
    10,153.12x = 59,645,309.85
  5. Step 5: Solve for x
    x = 59,645,309.85/10,153.12
  6. Step 6: Final answer
    x = 5,874.58

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1.5x scale

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.