Home / 10,366.15-15,549.10-7,310.65

Finding the Fourth Proportional to 10,366.15, 15,549.10 and 7,310.65

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Solution

The fourth proportional to 10,366.15, 15,549.10 and 7,310.65 is: 10,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.15 : 15,549.10 = 7,310.65 : x
  2. Step 2: Convert to fraction form
    10,366.15/15,549.10 = 7,310.65/x
  3. Step 3: Cross multiply
    10,366.15x = 15,549.10 × 7,310.65
  4. Step 4: Simplify right side
    10,366.15x = 113,674,032.86
  5. Step 5: Solve for x
    x = 113,674,032.86/10,366.15
  6. Step 6: Final answer
    x = 10,965.89

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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.