Home / 20,294.07-28,003.93-11,340.33

Finding the Fourth Proportional to 20,294.07, 28,003.93 and 11,340.33

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Solution

The fourth proportional to 20,294.07, 28,003.93 and 11,340.33 is: 15,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.07 : 28,003.93 = 11,340.33 : x
  2. Step 2: Convert to fraction form
    20,294.07/28,003.93 = 11,340.33/x
  3. Step 3: Cross multiply
    20,294.07x = 28,003.93 × 11,340.33
  4. Step 4: Simplify right side
    20,294.07x = 317,573,807.50
  5. Step 5: Solve for x
    x = 317,573,807.50/20,294.07
  6. Step 6: Final answer
    x = 15,648.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.