Home / 10,657.40-15,986.10-10,052.60

Finding the Fourth Proportional to 10,657.40, 15,986.10 and 10,052.60

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Solution

The fourth proportional to 10,657.40, 15,986.10 and 10,052.60 is: 15,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.40 : 15,986.10 = 10,052.60 : x
  2. Step 2: Convert to fraction form
    10,657.40/15,986.10 = 10,052.60/x
  3. Step 3: Cross multiply
    10,657.40x = 15,986.10 × 10,052.60
  4. Step 4: Simplify right side
    10,657.40x = 160,701,868.86
  5. Step 5: Solve for x
    x = 160,701,868.86/10,657.40
  6. Step 6: Final answer
    x = 15,078.90

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Similar ratio
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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.