Home / 20,009.39-30,013.43-5,969.53

Finding the Fourth Proportional to 20,009.39, 30,013.43 and 5,969.53

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Solution

The fourth proportional to 20,009.39, 30,013.43 and 5,969.53 is: 8,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.39 : 30,013.43 = 5,969.53 : x
  2. Step 2: Convert to fraction form
    20,009.39/30,013.43 = 5,969.53/x
  3. Step 3: Cross multiply
    20,009.39x = 30,013.43 × 5,969.53
  4. Step 4: Simplify right side
    20,009.39x = 179,166,070.79
  5. Step 5: Solve for x
    x = 179,166,070.79/20,009.39
  6. Step 6: Final answer
    x = 8,954.10

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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.