Home / 10,555.46-15,765.77-9,553.27

Finding the Fourth Proportional to 10,555.46, 15,765.77 and 9,553.27

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Solution

The fourth proportional to 10,555.46, 15,765.77 and 9,553.27 is: 14,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.46 : 15,765.77 = 9,553.27 : x
  2. Step 2: Convert to fraction form
    10,555.46/15,765.77 = 9,553.27/x
  3. Step 3: Cross multiply
    10,555.46x = 15,765.77 × 9,553.27
  4. Step 4: Simplify right side
    10,555.46x = 150,614,570.39
  5. Step 5: Solve for x
    x = 150,614,570.39/10,555.46
  6. Step 6: Final answer
    x = 14,268.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.