Home / 14,182.59-21,278.55-4,321.91

Finding the Fourth Proportional to 14,182.59, 21,278.55 and 4,321.91

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Solution

The fourth proportional to 14,182.59, 21,278.55 and 4,321.91 is: 6,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.59 : 21,278.55 = 4,321.91 : x
  2. Step 2: Convert to fraction form
    14,182.59/21,278.55 = 4,321.91/x
  3. Step 3: Cross multiply
    14,182.59x = 21,278.55 × 4,321.91
  4. Step 4: Simplify right side
    14,182.59x = 91,963,903.43
  5. Step 5: Solve for x
    x = 91,963,903.43/14,182.59
  6. Step 6: Final answer
    x = 6,484.28

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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.