Home / 9,193.18-12,686.44-5,656.30

Finding the Fourth Proportional to 9,193.18, 12,686.44 and 5,656.30

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Solution

The fourth proportional to 9,193.18, 12,686.44 and 5,656.30 is: 7,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.18 : 12,686.44 = 5,656.30 : x
  2. Step 2: Convert to fraction form
    9,193.18/12,686.44 = 5,656.30/x
  3. Step 3: Cross multiply
    9,193.18x = 12,686.44 × 5,656.30
  4. Step 4: Simplify right side
    9,193.18x = 71,758,310.57
  5. Step 5: Solve for x
    x = 71,758,310.57/9,193.18
  6. Step 6: Final answer
    x = 7,805.60

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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.