Home / 13,122.38-19,683.74-8,708.32

Finding the Fourth Proportional to 13,122.38, 19,683.74 and 8,708.32

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Solution

The fourth proportional to 13,122.38, 19,683.74 and 8,708.32 is: 13,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.38 : 19,683.74 = 8,708.32 : x
  2. Step 2: Convert to fraction form
    13,122.38/19,683.74 = 8,708.32/x
  3. Step 3: Cross multiply
    13,122.38x = 19,683.74 × 8,708.32
  4. Step 4: Simplify right side
    13,122.38x = 171,412,306.72
  5. Step 5: Solve for x
    x = 171,412,306.72/13,122.38
  6. Step 6: Final answer
    x = 13,062.59

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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.