Home / 14,084.20-21,118.54-9,646.95

Finding the Fourth Proportional to 14,084.20, 21,118.54 and 9,646.95

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Solution

The fourth proportional to 14,084.20, 21,118.54 and 9,646.95 is: 14,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.20 : 21,118.54 = 9,646.95 : x
  2. Step 2: Convert to fraction form
    14,084.20/21,118.54 = 9,646.95/x
  3. Step 3: Cross multiply
    14,084.20x = 21,118.54 × 9,646.95
  4. Step 4: Simplify right side
    14,084.20x = 203,729,499.45
  5. Step 5: Solve for x
    x = 203,729,499.45/14,084.20
  6. Step 6: Final answer
    x = 14,465.11

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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.