Home / 23,182.65-31,992.30-13,111.20

Finding the Fourth Proportional to 23,182.65, 31,992.30 and 13,111.20

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Solution

The fourth proportional to 23,182.65, 31,992.30 and 13,111.20 is: 18,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.65 : 31,992.30 = 13,111.20 : x
  2. Step 2: Convert to fraction form
    23,182.65/31,992.30 = 13,111.20/x
  3. Step 3: Cross multiply
    23,182.65x = 31,992.30 × 13,111.20
  4. Step 4: Simplify right side
    23,182.65x = 419,457,443.76
  5. Step 5: Solve for x
    x = 419,457,443.76/23,182.65
  6. Step 6: Final answer
    x = 18,093.59

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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.