Home / 10,903.20-16,350.66-4,659.30

Finding the Fourth Proportional to 10,903.20, 16,350.66 and 4,659.30

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Solution

The fourth proportional to 10,903.20, 16,350.66 and 4,659.30 is: 6,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.20 : 16,350.66 = 4,659.30 : x
  2. Step 2: Convert to fraction form
    10,903.20/16,350.66 = 4,659.30/x
  3. Step 3: Cross multiply
    10,903.20x = 16,350.66 × 4,659.30
  4. Step 4: Simplify right side
    10,903.20x = 76,182,630.14
  5. Step 5: Solve for x
    x = 76,182,630.14/10,903.20
  6. Step 6: Final answer
    x = 6,987.18

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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.