Home / 10,108.26-13,946.11-5,631.15

Finding the Fourth Proportional to 10,108.26, 13,946.11 and 5,631.15

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Solution

The fourth proportional to 10,108.26, 13,946.11 and 5,631.15 is: 7,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.26 : 13,946.11 = 5,631.15 : x
  2. Step 2: Convert to fraction form
    10,108.26/13,946.11 = 5,631.15/x
  3. Step 3: Cross multiply
    10,108.26x = 13,946.11 × 5,631.15
  4. Step 4: Simplify right side
    10,108.26x = 78,532,675.55
  5. Step 5: Solve for x
    x = 78,532,675.55/10,108.26
  6. Step 6: Final answer
    x = 7,769.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.