Home / 9,358.11-12,913.64-5,108.33

Finding the Fourth Proportional to 9,358.11, 12,913.64 and 5,108.33

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Solution

The fourth proportional to 9,358.11, 12,913.64 and 5,108.33 is: 7,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.11 : 12,913.64 = 5,108.33 : x
  2. Step 2: Convert to fraction form
    9,358.11/12,913.64 = 5,108.33/x
  3. Step 3: Cross multiply
    9,358.11x = 12,913.64 × 5,108.33
  4. Step 4: Simplify right side
    9,358.11x = 65,967,044.51
  5. Step 5: Solve for x
    x = 65,967,044.51/9,358.11
  6. Step 6: Final answer
    x = 7,049.18

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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.