Home / 9,286.12-12,815.65-5,095.18

Finding the Fourth Proportional to 9,286.12, 12,815.65 and 5,095.18

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Solution

The fourth proportional to 9,286.12, 12,815.65 and 5,095.18 is: 7,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.12 : 12,815.65 = 5,095.18 : x
  2. Step 2: Convert to fraction form
    9,286.12/12,815.65 = 5,095.18/x
  3. Step 3: Cross multiply
    9,286.12x = 12,815.65 × 5,095.18
  4. Step 4: Simplify right side
    9,286.12x = 65,298,043.57
  5. Step 5: Solve for x
    x = 65,298,043.57/9,286.12
  6. Step 6: Final answer
    x = 7,031.79

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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.