Home / 12,614.28-18,921.48-4,296.16

Finding the Fourth Proportional to 12,614.28, 18,921.48 and 4,296.16

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Solution

The fourth proportional to 12,614.28, 18,921.48 and 4,296.16 is: 6,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.28 : 18,921.48 = 4,296.16 : x
  2. Step 2: Convert to fraction form
    12,614.28/18,921.48 = 4,296.16/x
  3. Step 3: Cross multiply
    12,614.28x = 18,921.48 × 4,296.16
  4. Step 4: Simplify right side
    12,614.28x = 81,289,705.52
  5. Step 5: Solve for x
    x = 81,289,705.52/12,614.28
  6. Step 6: Final answer
    x = 6,444.26

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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.