Home / 14,081.16-21,115.56-4,221.24

Finding the Fourth Proportional to 14,081.16, 21,115.56 and 4,221.24

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Solution

The fourth proportional to 14,081.16, 21,115.56 and 4,221.24 is: 6,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.16 : 21,115.56 = 4,221.24 : x
  2. Step 2: Convert to fraction form
    14,081.16/21,115.56 = 4,221.24/x
  3. Step 3: Cross multiply
    14,081.16x = 21,115.56 × 4,221.24
  4. Step 4: Simplify right side
    14,081.16x = 89,133,846.49
  5. Step 5: Solve for x
    x = 89,133,846.49/14,081.16
  6. Step 6: Final answer
    x = 6,330.01

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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.