Home / 11,325.82-15,630.13-6,290.04

Finding the Fourth Proportional to 11,325.82, 15,630.13 and 6,290.04

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Solution

The fourth proportional to 11,325.82, 15,630.13 and 6,290.04 is: 8,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.82 : 15,630.13 = 6,290.04 : x
  2. Step 2: Convert to fraction form
    11,325.82/15,630.13 = 6,290.04/x
  3. Step 3: Cross multiply
    11,325.82x = 15,630.13 × 6,290.04
  4. Step 4: Simplify right side
    11,325.82x = 98,314,142.91
  5. Step 5: Solve for x
    x = 98,314,142.91/11,325.82
  6. Step 6: Final answer
    x = 8,680.53

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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.