Home / 10,066.20-15,099.30-7,441.80

Finding the Fourth Proportional to 10,066.20, 15,099.30 and 7,441.80

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Solution

The fourth proportional to 10,066.20, 15,099.30 and 7,441.80 is: 11,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.20 : 15,099.30 = 7,441.80 : x
  2. Step 2: Convert to fraction form
    10,066.20/15,099.30 = 7,441.80/x
  3. Step 3: Cross multiply
    10,066.20x = 15,099.30 × 7,441.80
  4. Step 4: Simplify right side
    10,066.20x = 112,365,970.74
  5. Step 5: Solve for x
    x = 112,365,970.74/10,066.20
  6. Step 6: Final answer
    x = 11,162.70

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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.