Home / 10,449.90-15,674.76-2,658.69

Finding the Fourth Proportional to 10,449.90, 15,674.76 and 2,658.69

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Solution

The fourth proportional to 10,449.90, 15,674.76 and 2,658.69 is: 3,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.90 : 15,674.76 = 2,658.69 : x
  2. Step 2: Convert to fraction form
    10,449.90/15,674.76 = 2,658.69/x
  3. Step 3: Cross multiply
    10,449.90x = 15,674.76 × 2,658.69
  4. Step 4: Simplify right side
    10,449.90x = 41,674,327.66
  5. Step 5: Solve for x
    x = 41,674,327.66/10,449.90
  6. Step 6: Final answer
    x = 3,988.01

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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.