Home / 9,311.19-12,849.43-5,332.11

Finding the Fourth Proportional to 9,311.19, 12,849.43 and 5,332.11

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Solution

The fourth proportional to 9,311.19, 12,849.43 and 5,332.11 is: 7,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.19 : 12,849.43 = 5,332.11 : x
  2. Step 2: Convert to fraction form
    9,311.19/12,849.43 = 5,332.11/x
  3. Step 3: Cross multiply
    9,311.19x = 12,849.43 × 5,332.11
  4. Step 4: Simplify right side
    9,311.19x = 68,514,574.20
  5. Step 5: Solve for x
    x = 68,514,574.20/9,311.19
  6. Step 6: Final answer
    x = 7,358.30

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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.