Home / 21,446.37-32,175.63-8,972.37

Finding the Fourth Proportional to 21,446.37, 32,175.63 and 8,972.37

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Solution

The fourth proportional to 21,446.37, 32,175.63 and 8,972.37 is: 13,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.37 : 32,175.63 = 8,972.37 : x
  2. Step 2: Convert to fraction form
    21,446.37/32,175.63 = 8,972.37/x
  3. Step 3: Cross multiply
    21,446.37x = 32,175.63 × 8,972.37
  4. Step 4: Simplify right side
    21,446.37x = 288,691,657.34
  5. Step 5: Solve for x
    x = 288,691,657.34/21,446.37
  6. Step 6: Final answer
    x = 13,461.10

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1.5x scale

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.