Home / 23,130.92-31,918.90-13,060.36

Finding the Fourth Proportional to 23,130.92, 31,918.90 and 13,060.36

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Solution

The fourth proportional to 23,130.92, 31,918.90 and 13,060.36 is: 18,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.92 : 31,918.90 = 13,060.36 : x
  2. Step 2: Convert to fraction form
    23,130.92/31,918.90 = 13,060.36/x
  3. Step 3: Cross multiply
    23,130.92x = 31,918.90 × 13,060.36
  4. Step 4: Simplify right side
    23,130.92x = 416,872,212.36
  5. Step 5: Solve for x
    x = 416,872,212.36/23,130.92
  6. Step 6: Final answer
    x = 18,022.29

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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.