Home / 14,180.25-21,271.57-4,319.61

Finding the Fourth Proportional to 14,180.25, 21,271.57 and 4,319.61

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Solution

The fourth proportional to 14,180.25, 21,271.57 and 4,319.61 is: 6,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.25 : 21,271.57 = 4,319.61 : x
  2. Step 2: Convert to fraction form
    14,180.25/21,271.57 = 4,319.61/x
  3. Step 3: Cross multiply
    14,180.25x = 21,271.57 × 4,319.61
  4. Step 4: Simplify right side
    14,180.25x = 91,884,886.49
  5. Step 5: Solve for x
    x = 91,884,886.49/14,180.25
  6. Step 6: Final answer
    x = 6,479.78

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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.