Home / 20,572.17-30,858.30-7,433.82

Finding the Fourth Proportional to 20,572.17, 30,858.30 and 7,433.82

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Solution

The fourth proportional to 20,572.17, 30,858.30 and 7,433.82 is: 11,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.17 : 30,858.30 = 7,433.82 : x
  2. Step 2: Convert to fraction form
    20,572.17/30,858.30 = 7,433.82/x
  3. Step 3: Cross multiply
    20,572.17x = 30,858.30 × 7,433.82
  4. Step 4: Simplify right side
    20,572.17x = 229,395,047.71
  5. Step 5: Solve for x
    x = 229,395,047.71/20,572.17
  6. Step 6: Final answer
    x = 11,150.75

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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.