Home / 20,200.07-30,306.29-7,053.57

Finding the Fourth Proportional to 20,200.07, 30,306.29 and 7,053.57

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Solution

The fourth proportional to 20,200.07, 30,306.29 and 7,053.57 is: 10,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.07 : 30,306.29 = 7,053.57 : x
  2. Step 2: Convert to fraction form
    20,200.07/30,306.29 = 7,053.57/x
  3. Step 3: Cross multiply
    20,200.07x = 30,306.29 × 7,053.57
  4. Step 4: Simplify right side
    20,200.07x = 213,767,502.69
  5. Step 5: Solve for x
    x = 213,767,502.69/20,200.07
  6. Step 6: Final answer
    x = 10,582.51

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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.