Home / 14,933.76-20,607.18-8,219.28

Finding the Fourth Proportional to 14,933.76, 20,607.18 and 8,219.28

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Solution

The fourth proportional to 14,933.76, 20,607.18 and 8,219.28 is: 11,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.76 : 20,607.18 = 8,219.28 : x
  2. Step 2: Convert to fraction form
    14,933.76/20,607.18 = 8,219.28/x
  3. Step 3: Cross multiply
    14,933.76x = 20,607.18 × 8,219.28
  4. Step 4: Simplify right side
    14,933.76x = 169,376,182.43
  5. Step 5: Solve for x
    x = 169,376,182.43/14,933.76
  6. Step 6: Final answer
    x = 11,341.83

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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.