Home / 14,085.76-21,114.63-7,848.61

Finding the Fourth Proportional to 14,085.76, 21,114.63 and 7,848.61

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Solution

The fourth proportional to 14,085.76, 21,114.63 and 7,848.61 is: 11,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.76 : 21,114.63 = 7,848.61 : x
  2. Step 2: Convert to fraction form
    14,085.76/21,114.63 = 7,848.61/x
  3. Step 3: Cross multiply
    14,085.76x = 21,114.63 × 7,848.61
  4. Step 4: Simplify right side
    14,085.76x = 165,720,496.16
  5. Step 5: Solve for x
    x = 165,720,496.16/14,085.76
  6. Step 6: Final answer
    x = 11,765.11

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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.