Home / 20,009.16-30,013.40-5,969.23

Finding the Fourth Proportional to 20,009.16, 30,013.40 and 5,969.23

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Solution

The fourth proportional to 20,009.16, 30,013.40 and 5,969.23 is: 8,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.16 : 30,013.40 = 5,969.23 : x
  2. Step 2: Convert to fraction form
    20,009.16/30,013.40 = 5,969.23/x
  3. Step 3: Cross multiply
    20,009.16x = 30,013.40 × 5,969.23
  4. Step 4: Simplify right side
    20,009.16x = 179,156,887.68
  5. Step 5: Solve for x
    x = 179,156,887.68/20,009.16
  6. Step 6: Final answer
    x = 8,953.74

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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.