Home / 14,421.13-21,634.07-4,425.62

Finding the Fourth Proportional to 14,421.13, 21,634.07 and 4,425.62

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Solution

The fourth proportional to 14,421.13, 21,634.07 and 4,425.62 is: 6,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.13 : 21,634.07 = 4,425.62 : x
  2. Step 2: Convert to fraction form
    14,421.13/21,634.07 = 4,425.62/x
  3. Step 3: Cross multiply
    14,421.13x = 21,634.07 × 4,425.62
  4. Step 4: Simplify right side
    14,421.13x = 95,744,204.83
  5. Step 5: Solve for x
    x = 95,744,204.83/14,421.13
  6. Step 6: Final answer
    x = 6,639.16

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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.