Home / 10,434.24-15,651.36-2,643.66

Finding the Fourth Proportional to 10,434.24, 15,651.36 and 2,643.66

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Solution

The fourth proportional to 10,434.24, 15,651.36 and 2,643.66 is: 3,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.24 : 15,651.36 = 2,643.66 : x
  2. Step 2: Convert to fraction form
    10,434.24/15,651.36 = 2,643.66/x
  3. Step 3: Cross multiply
    10,434.24x = 15,651.36 × 2,643.66
  4. Step 4: Simplify right side
    10,434.24x = 41,376,874.38
  5. Step 5: Solve for x
    x = 41,376,874.38/10,434.24
  6. Step 6: Final answer
    x = 3,965.49

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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.