Home / 20,104.74-30,153.47-6,954.80

Finding the Fourth Proportional to 20,104.74, 30,153.47 and 6,954.80

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Solution

The fourth proportional to 20,104.74, 30,153.47 and 6,954.80 is: 10,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.74 : 30,153.47 = 6,954.80 : x
  2. Step 2: Convert to fraction form
    20,104.74/30,153.47 = 6,954.80/x
  3. Step 3: Cross multiply
    20,104.74x = 30,153.47 × 6,954.80
  4. Step 4: Simplify right side
    20,104.74x = 209,711,167.61
  5. Step 5: Solve for x
    x = 209,711,167.61/20,104.74
  6. Step 6: Final answer
    x = 10,430.93

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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.