Home / 10,175.90-15,263.91-2,781.14

Finding the Fourth Proportional to 10,175.90, 15,263.91 and 2,781.14

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Solution

The fourth proportional to 10,175.90, 15,263.91 and 2,781.14 is: 4,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.90 : 15,263.91 = 2,781.14 : x
  2. Step 2: Convert to fraction form
    10,175.90/15,263.91 = 2,781.14/x
  3. Step 3: Cross multiply
    10,175.90x = 15,263.91 × 2,781.14
  4. Step 4: Simplify right side
    10,175.90x = 42,450,994.34
  5. Step 5: Solve for x
    x = 42,450,994.34/10,175.90
  6. Step 6: Final answer
    x = 4,171.72

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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.