Home / 14,932.10-20,607.68-8,219.09

Finding the Fourth Proportional to 14,932.10, 20,607.68 and 8,219.09

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Solution

The fourth proportional to 14,932.10, 20,607.68 and 8,219.09 is: 11,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.10 : 20,607.68 = 8,219.09 : x
  2. Step 2: Convert to fraction form
    14,932.10/20,607.68 = 8,219.09/x
  3. Step 3: Cross multiply
    14,932.10x = 20,607.68 × 8,219.09
  4. Step 4: Simplify right side
    14,932.10x = 169,376,448.68
  5. Step 5: Solve for x
    x = 169,376,448.68/14,932.10
  6. Step 6: Final answer
    x = 11,343.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.