Home / 14,149.11-21,225.48-4,286.65

Finding the Fourth Proportional to 14,149.11, 21,225.48 and 4,286.65

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Solution

The fourth proportional to 14,149.11, 21,225.48 and 4,286.65 is: 6,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.11 : 21,225.48 = 4,286.65 : x
  2. Step 2: Convert to fraction form
    14,149.11/21,225.48 = 4,286.65/x
  3. Step 3: Cross multiply
    14,149.11x = 21,225.48 × 4,286.65
  4. Step 4: Simplify right side
    14,149.11x = 90,986,097.71
  5. Step 5: Solve for x
    x = 90,986,097.71/14,149.11
  6. Step 6: Final answer
    x = 6,430.52

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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.