Home / 13,949.76-20,897.28-8,094.08

Finding the Fourth Proportional to 13,949.76, 20,897.28 and 8,094.08

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Solution

The fourth proportional to 13,949.76, 20,897.28 and 8,094.08 is: 12,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.76 : 20,897.28 = 8,094.08 : x
  2. Step 2: Convert to fraction form
    13,949.76/20,897.28 = 8,094.08/x
  3. Step 3: Cross multiply
    13,949.76x = 20,897.28 × 8,094.08
  4. Step 4: Simplify right side
    13,949.76x = 169,144,256.10
  5. Step 5: Solve for x
    x = 169,144,256.10/13,949.76
  6. Step 6: Final answer
    x = 12,125.24

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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.