Home / 20,008.44-29,988.69-9,320.39

Finding the Fourth Proportional to 20,008.44, 29,988.69 and 9,320.39

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Solution

The fourth proportional to 20,008.44, 29,988.69 and 9,320.39 is: 13,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.44 : 29,988.69 = 9,320.39 : x
  2. Step 2: Convert to fraction form
    20,008.44/29,988.69 = 9,320.39/x
  3. Step 3: Cross multiply
    20,008.44x = 29,988.69 × 9,320.39
  4. Step 4: Simplify right side
    20,008.44x = 279,506,286.39
  5. Step 5: Solve for x
    x = 279,506,286.39/20,008.44
  6. Step 6: Final answer
    x = 13,969.42

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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.