Home / 20,934.80-31,402.19-9,833.34

Finding the Fourth Proportional to 20,934.80, 31,402.19 and 9,833.34

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Solution

The fourth proportional to 20,934.80, 31,402.19 and 9,833.34 is: 14,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.80 : 31,402.19 = 9,833.34 : x
  2. Step 2: Convert to fraction form
    20,934.80/31,402.19 = 9,833.34/x
  3. Step 3: Cross multiply
    20,934.80x = 31,402.19 × 9,833.34
  4. Step 4: Simplify right side
    20,934.80x = 308,788,435.60
  5. Step 5: Solve for x
    x = 308,788,435.60/20,934.80
  6. Step 6: Final answer
    x = 14,750.01

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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.