Home / 13,592.08-20,388.12-8,974

Finding the Fourth Proportional to 13,592.08, 20,388.12 and 8,974

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Solution

The fourth proportional to 13,592.08, 20,388.12 and 8,974 is: 13,461

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.08 : 20,388.12 = 8,974 : x
  2. Step 2: Convert to fraction form
    13,592.08/20,388.12 = 8,974/x
  3. Step 3: Cross multiply
    13,592.08x = 20,388.12 × 8,974
  4. Step 4: Simplify right side
    13,592.08x = 182,962,988.88
  5. Step 5: Solve for x
    x = 182,962,988.88/13,592.08
  6. Step 6: Final answer
    x = 13,461

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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.