Home / 18,478.64-27,722.00-5,999.91

Finding the Fourth Proportional to 18,478.64, 27,722.00 and 5,999.91

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Solution

The fourth proportional to 18,478.64, 27,722.00 and 5,999.91 is: 9,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.64 : 27,722.00 = 5,999.91 : x
  2. Step 2: Convert to fraction form
    18,478.64/27,722.00 = 5,999.91/x
  3. Step 3: Cross multiply
    18,478.64x = 27,722.00 × 5,999.91
  4. Step 4: Simplify right side
    18,478.64x = 166,329,475.02
  5. Step 5: Solve for x
    x = 166,329,475.02/18,478.64
  6. Step 6: Final answer
    x = 9,001.18

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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.