Home / 23,148.62-31,945.08-12,538.26

Finding the Fourth Proportional to 23,148.62, 31,945.08 and 12,538.26

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Solution

The fourth proportional to 23,148.62, 31,945.08 and 12,538.26 is: 17,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.62 : 31,945.08 = 12,538.26 : x
  2. Step 2: Convert to fraction form
    23,148.62/31,945.08 = 12,538.26/x
  3. Step 3: Cross multiply
    23,148.62x = 31,945.08 × 12,538.26
  4. Step 4: Simplify right side
    23,148.62x = 400,535,718.76
  5. Step 5: Solve for x
    x = 400,535,718.76/23,148.62
  6. Step 6: Final answer
    x = 17,302.79

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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.