Home / 10,251.32-14,146.38-5,774.99

Finding the Fourth Proportional to 10,251.32, 14,146.38 and 5,774.99

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Solution

The fourth proportional to 10,251.32, 14,146.38 and 5,774.99 is: 7,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.32 : 14,146.38 = 5,774.99 : x
  2. Step 2: Convert to fraction form
    10,251.32/14,146.38 = 5,774.99/x
  3. Step 3: Cross multiply
    10,251.32x = 14,146.38 × 5,774.99
  4. Step 4: Simplify right side
    10,251.32x = 81,695,132.30
  5. Step 5: Solve for x
    x = 81,695,132.30/10,251.32
  6. Step 6: Final answer
    x = 7,969.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.