Home / 10,251.90-14,145.84-5,775.30

Finding the Fourth Proportional to 10,251.90, 14,145.84 and 5,775.30

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Solution

The fourth proportional to 10,251.90, 14,145.84 and 5,775.30 is: 7,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.90 : 14,145.84 = 5,775.30 : x
  2. Step 2: Convert to fraction form
    10,251.90/14,145.84 = 5,775.30/x
  3. Step 3: Cross multiply
    10,251.90x = 14,145.84 × 5,775.30
  4. Step 4: Simplify right side
    10,251.90x = 81,696,469.75
  5. Step 5: Solve for x
    x = 81,696,469.75/10,251.90
  6. Step 6: Final answer
    x = 7,968.91

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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.