Home / 10,550.70-15,816.72-9,000.66

Finding the Fourth Proportional to 10,550.70, 15,816.72 and 9,000.66

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Solution

The fourth proportional to 10,550.70, 15,816.72 and 9,000.66 is: 13,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.70 : 15,816.72 = 9,000.66 : x
  2. Step 2: Convert to fraction form
    10,550.70/15,816.72 = 9,000.66/x
  3. Step 3: Cross multiply
    10,550.70x = 15,816.72 × 9,000.66
  4. Step 4: Simplify right side
    10,550.70x = 142,360,919.04
  5. Step 5: Solve for x
    x = 142,360,919.04/10,550.70
  6. Step 6: Final answer
    x = 13,493.03

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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.