Home / 9,417.38-14,130.66-3,872.39

Finding the Fourth Proportional to 9,417.38, 14,130.66 and 3,872.39

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Solution

The fourth proportional to 9,417.38, 14,130.66 and 3,872.39 is: 5,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.38 : 14,130.66 = 3,872.39 : x
  2. Step 2: Convert to fraction form
    9,417.38/14,130.66 = 3,872.39/x
  3. Step 3: Cross multiply
    9,417.38x = 14,130.66 × 3,872.39
  4. Step 4: Simplify right side
    9,417.38x = 54,719,476.33
  5. Step 5: Solve for x
    x = 54,719,476.33/9,417.38
  6. Step 6: Final answer
    x = 5,810.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.