Home / 14,182.20-21,275.55-4,319.19

Finding the Fourth Proportional to 14,182.20, 21,275.55 and 4,319.19

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Solution

The fourth proportional to 14,182.20, 21,275.55 and 4,319.19 is: 6,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.20 : 21,275.55 = 4,319.19 : x
  2. Step 2: Convert to fraction form
    14,182.20/21,275.55 = 4,319.19/x
  3. Step 3: Cross multiply
    14,182.20x = 21,275.55 × 4,319.19
  4. Step 4: Simplify right side
    14,182.20x = 91,893,142.80
  5. Step 5: Solve for x
    x = 91,893,142.80/14,182.20
  6. Step 6: Final answer
    x = 6,479.47

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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.