Home / 10,550.81-15,801.99-5,269.61

Finding the Fourth Proportional to 10,550.81, 15,801.99 and 5,269.61

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Solution

The fourth proportional to 10,550.81, 15,801.99 and 5,269.61 is: 7,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.81 : 15,801.99 = 5,269.61 : x
  2. Step 2: Convert to fraction form
    10,550.81/15,801.99 = 5,269.61/x
  3. Step 3: Cross multiply
    10,550.81x = 15,801.99 × 5,269.61
  4. Step 4: Simplify right side
    10,550.81x = 83,270,344.27
  5. Step 5: Solve for x
    x = 83,270,344.27/10,550.81
  6. Step 6: Final answer
    x = 7,892.32

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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.