Home / 20,207.70-30,302.55-10,844.91

Finding the Fourth Proportional to 20,207.70, 30,302.55 and 10,844.91

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Solution

The fourth proportional to 20,207.70, 30,302.55 and 10,844.91 is: 16,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.70 : 30,302.55 = 10,844.91 : x
  2. Step 2: Convert to fraction form
    20,207.70/30,302.55 = 10,844.91/x
  3. Step 3: Cross multiply
    20,207.70x = 30,302.55 × 10,844.91
  4. Step 4: Simplify right side
    20,207.70x = 328,628,427.52
  5. Step 5: Solve for x
    x = 328,628,427.52/20,207.70
  6. Step 6: Final answer
    x = 16,262.53

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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.