Home / 14,933.18-20,607.79-8,218.80

Finding the Fourth Proportional to 14,933.18, 20,607.79 and 8,218.80

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Solution

The fourth proportional to 14,933.18, 20,607.79 and 8,218.80 is: 11,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.18 : 20,607.79 = 8,218.80 : x
  2. Step 2: Convert to fraction form
    14,933.18/20,607.79 = 8,218.80/x
  3. Step 3: Cross multiply
    14,933.18x = 20,607.79 × 8,218.80
  4. Step 4: Simplify right side
    14,933.18x = 169,371,263.36
  5. Step 5: Solve for x
    x = 169,371,263.36/14,933.18
  6. Step 6: Final answer
    x = 11,341.95

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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.