Home / 20,160.08-30,195.96-14,298.92

Finding the Fourth Proportional to 20,160.08, 30,195.96 and 14,298.92

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Solution

The fourth proportional to 20,160.08, 30,195.96 and 14,298.92 is: 21,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.08 : 30,195.96 = 14,298.92 : x
  2. Step 2: Convert to fraction form
    20,160.08/30,195.96 = 14,298.92/x
  3. Step 3: Cross multiply
    20,160.08x = 30,195.96 × 14,298.92
  4. Step 4: Simplify right side
    20,160.08x = 431,769,616.36
  5. Step 5: Solve for x
    x = 431,769,616.36/20,160.08
  6. Step 6: Final answer
    x = 21,417.06

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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.