Home / 20,199.79-30,306.97-7,054.10

Finding the Fourth Proportional to 20,199.79, 30,306.97 and 7,054.10

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Solution

The fourth proportional to 20,199.79, 30,306.97 and 7,054.10 is: 10,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.79 : 30,306.97 = 7,054.10 : x
  2. Step 2: Convert to fraction form
    20,199.79/30,306.97 = 7,054.10/x
  3. Step 3: Cross multiply
    20,199.79x = 30,306.97 × 7,054.10
  4. Step 4: Simplify right side
    20,199.79x = 213,788,397.08
  5. Step 5: Solve for x
    x = 213,788,397.08/20,199.79
  6. Step 6: Final answer
    x = 10,583.69

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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.