Home / 14,933.08-20,607.20-8,218.70

Finding the Fourth Proportional to 14,933.08, 20,607.20 and 8,218.70

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Solution

The fourth proportional to 14,933.08, 20,607.20 and 8,218.70 is: 11,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.08 : 20,607.20 = 8,218.70 : x
  2. Step 2: Convert to fraction form
    14,933.08/20,607.20 = 8,218.70/x
  3. Step 3: Cross multiply
    14,933.08x = 20,607.20 × 8,218.70
  4. Step 4: Simplify right side
    14,933.08x = 169,364,394.64
  5. Step 5: Solve for x
    x = 169,364,394.64/14,933.08
  6. Step 6: Final answer
    x = 11,341.56

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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.