Home / 14,290.68-21,439.08-4,429.74

Finding the Fourth Proportional to 14,290.68, 21,439.08 and 4,429.74

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Solution

The fourth proportional to 14,290.68, 21,439.08 and 4,429.74 is: 6,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.68 : 21,439.08 = 4,429.74 : x
  2. Step 2: Convert to fraction form
    14,290.68/21,439.08 = 4,429.74/x
  3. Step 3: Cross multiply
    14,290.68x = 21,439.08 × 4,429.74
  4. Step 4: Simplify right side
    14,290.68x = 94,969,550.24
  5. Step 5: Solve for x
    x = 94,969,550.24/14,290.68
  6. Step 6: Final answer
    x = 6,645.56

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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.