Home / 12,320.92-18,397.73-9,793.72

Finding the Fourth Proportional to 12,320.92, 18,397.73 and 9,793.72

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Solution

The fourth proportional to 12,320.92, 18,397.73 and 9,793.72 is: 14,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.92 : 18,397.73 = 9,793.72 : x
  2. Step 2: Convert to fraction form
    12,320.92/18,397.73 = 9,793.72/x
  3. Step 3: Cross multiply
    12,320.92x = 18,397.73 × 9,793.72
  4. Step 4: Simplify right side
    12,320.92x = 180,182,216.26
  5. Step 5: Solve for x
    x = 180,182,216.26/12,320.92
  6. Step 6: Final answer
    x = 14,624.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.