Home / 23,177.40-31,989.24-13,751.16

Finding the Fourth Proportional to 23,177.40, 31,989.24 and 13,751.16

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Solution

The fourth proportional to 23,177.40, 31,989.24 and 13,751.16 is: 18,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.40 : 31,989.24 = 13,751.16 : x
  2. Step 2: Convert to fraction form
    23,177.40/31,989.24 = 13,751.16/x
  3. Step 3: Cross multiply
    23,177.40x = 31,989.24 × 13,751.16
  4. Step 4: Simplify right side
    23,177.40x = 439,889,157.52
  5. Step 5: Solve for x
    x = 439,889,157.52/23,177.40
  6. Step 6: Final answer
    x = 18,979.23

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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.