Home / 23,111.35-34,645.75-12,565.96

Finding the Fourth Proportional to 23,111.35, 34,645.75 and 12,565.96

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Solution

The fourth proportional to 23,111.35, 34,645.75 and 12,565.96 is: 18,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.35 : 34,645.75 = 12,565.96 : x
  2. Step 2: Convert to fraction form
    23,111.35/34,645.75 = 12,565.96/x
  3. Step 3: Cross multiply
    23,111.35x = 34,645.75 × 12,565.96
  4. Step 4: Simplify right side
    23,111.35x = 435,357,108.67
  5. Step 5: Solve for x
    x = 435,357,108.67/23,111.35
  6. Step 6: Final answer
    x = 18,837.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.