Home / 43,988.80-65,983.20-10,708.60

Finding the Fourth Proportional to 43,988.80, 65,983.20 and 10,708.60

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Solution

The fourth proportional to 43,988.80, 65,983.20 and 10,708.60 is: 16,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,988.80 : 65,983.20 = 10,708.60 : x
  2. Step 2: Convert to fraction form
    43,988.80/65,983.20 = 10,708.60/x
  3. Step 3: Cross multiply
    43,988.80x = 65,983.20 × 10,708.60
  4. Step 4: Simplify right side
    43,988.80x = 706,587,695.52
  5. Step 5: Solve for x
    x = 706,587,695.52/43,988.80
  6. Step 6: Final answer
    x = 16,062.90

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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.