Home / 14,147.78-21,224.96-4,152.13

Finding the Fourth Proportional to 14,147.78, 21,224.96 and 4,152.13

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Solution

The fourth proportional to 14,147.78, 21,224.96 and 4,152.13 is: 6,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.78 : 21,224.96 = 4,152.13 : x
  2. Step 2: Convert to fraction form
    14,147.78/21,224.96 = 4,152.13/x
  3. Step 3: Cross multiply
    14,147.78x = 21,224.96 × 4,152.13
  4. Step 4: Simplify right side
    14,147.78x = 88,128,750.48
  5. Step 5: Solve for x
    x = 88,128,750.48/14,147.78
  6. Step 6: Final answer
    x = 6,229.16

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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.