Home / 20,005.06-30,009.15-5,964.02

Finding the Fourth Proportional to 20,005.06, 30,009.15 and 5,964.02

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Solution

The fourth proportional to 20,005.06, 30,009.15 and 5,964.02 is: 8,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.06 : 30,009.15 = 5,964.02 : x
  2. Step 2: Convert to fraction form
    20,005.06/30,009.15 = 5,964.02/x
  3. Step 3: Cross multiply
    20,005.06x = 30,009.15 × 5,964.02
  4. Step 4: Simplify right side
    20,005.06x = 178,974,990.92
  5. Step 5: Solve for x
    x = 178,974,990.92/20,005.06
  6. Step 6: Final answer
    x = 8,946.49

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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.