Home / 20,793.51-31,167.18-9,702.99

Finding the Fourth Proportional to 20,793.51, 31,167.18 and 9,702.99

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Solution

The fourth proportional to 20,793.51, 31,167.18 and 9,702.99 is: 14,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.51 : 31,167.18 = 9,702.99 : x
  2. Step 2: Convert to fraction form
    20,793.51/31,167.18 = 9,702.99/x
  3. Step 3: Cross multiply
    20,793.51x = 31,167.18 × 9,702.99
  4. Step 4: Simplify right side
    20,793.51x = 302,414,835.87
  5. Step 5: Solve for x
    x = 302,414,835.87/20,793.51
  6. Step 6: Final answer
    x = 14,543.71

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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.