Home / 14,043.52-21,069.18-6,144.62

Finding the Fourth Proportional to 14,043.52, 21,069.18 and 6,144.62

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Solution

The fourth proportional to 14,043.52, 21,069.18 and 6,144.62 is: 9,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.52 : 21,069.18 = 6,144.62 : x
  2. Step 2: Convert to fraction form
    14,043.52/21,069.18 = 6,144.62/x
  3. Step 3: Cross multiply
    14,043.52x = 21,069.18 × 6,144.62
  4. Step 4: Simplify right side
    14,043.52x = 129,462,104.81
  5. Step 5: Solve for x
    x = 129,462,104.81/14,043.52
  6. Step 6: Final answer
    x = 9,218.64

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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.