Home / 14,079.42-21,119.13-4,218.48

Finding the Fourth Proportional to 14,079.42, 21,119.13 and 4,218.48

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Solution

The fourth proportional to 14,079.42, 21,119.13 and 4,218.48 is: 6,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.42 : 21,119.13 = 4,218.48 : x
  2. Step 2: Convert to fraction form
    14,079.42/21,119.13 = 4,218.48/x
  3. Step 3: Cross multiply
    14,079.42x = 21,119.13 × 4,218.48
  4. Step 4: Simplify right side
    14,079.42x = 89,090,627.52
  5. Step 5: Solve for x
    x = 89,090,627.52/14,079.42
  6. Step 6: Final answer
    x = 6,327.72

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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.