Home / 13,945.47-20,921.50-4,585.52

Finding the Fourth Proportional to 13,945.47, 20,921.50 and 4,585.52

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Solution

The fourth proportional to 13,945.47, 20,921.50 and 4,585.52 is: 6,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.47 : 20,921.50 = 4,585.52 : x
  2. Step 2: Convert to fraction form
    13,945.47/20,921.50 = 4,585.52/x
  3. Step 3: Cross multiply
    13,945.47x = 20,921.50 × 4,585.52
  4. Step 4: Simplify right side
    13,945.47x = 95,935,956.68
  5. Step 5: Solve for x
    x = 95,935,956.68/13,945.47
  6. Step 6: Final answer
    x = 6,879.36

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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.