Home / 23,148.92-31,945.55-12,538.56

Finding the Fourth Proportional to 23,148.92, 31,945.55 and 12,538.56

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Solution

The fourth proportional to 23,148.92, 31,945.55 and 12,538.56 is: 17,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.92 : 31,945.55 = 12,538.56 : x
  2. Step 2: Convert to fraction form
    23,148.92/31,945.55 = 12,538.56/x
  3. Step 3: Cross multiply
    23,148.92x = 31,945.55 × 12,538.56
  4. Step 4: Simplify right side
    23,148.92x = 400,551,195.41
  5. Step 5: Solve for x
    x = 400,551,195.41/23,148.92
  6. Step 6: Final answer
    x = 17,303.24

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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.