Home / 10,166.26-15,250.10-3,145.35

Finding the Fourth Proportional to 10,166.26, 15,250.10 and 3,145.35

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Solution

The fourth proportional to 10,166.26, 15,250.10 and 3,145.35 is: 4,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.26 : 15,250.10 = 3,145.35 : x
  2. Step 2: Convert to fraction form
    10,166.26/15,250.10 = 3,145.35/x
  3. Step 3: Cross multiply
    10,166.26x = 15,250.10 × 3,145.35
  4. Step 4: Simplify right side
    10,166.26x = 47,966,915.80
  5. Step 5: Solve for x
    x = 47,966,915.80/10,166.26
  6. Step 6: Final answer
    x = 4,718.25

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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.