Home / 14,079.08-21,115.48-4,217.10

Finding the Fourth Proportional to 14,079.08, 21,115.48 and 4,217.10

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Solution

The fourth proportional to 14,079.08, 21,115.48 and 4,217.10 is: 6,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.08 : 21,115.48 = 4,217.10 : x
  2. Step 2: Convert to fraction form
    14,079.08/21,115.48 = 4,217.10/x
  3. Step 3: Cross multiply
    14,079.08x = 21,115.48 × 4,217.10
  4. Step 4: Simplify right side
    14,079.08x = 89,046,090.71
  5. Step 5: Solve for x
    x = 89,046,090.71/14,079.08
  6. Step 6: Final answer
    x = 6,324.71

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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.