Home / 18,002.34-27,005.31-7,470.18

Finding the Fourth Proportional to 18,002.34, 27,005.31 and 7,470.18

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Solution

The fourth proportional to 18,002.34, 27,005.31 and 7,470.18 is: 11,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.34 : 27,005.31 = 7,470.18 : x
  2. Step 2: Convert to fraction form
    18,002.34/27,005.31 = 7,470.18/x
  3. Step 3: Cross multiply
    18,002.34x = 27,005.31 × 7,470.18
  4. Step 4: Simplify right side
    18,002.34x = 201,734,526.66
  5. Step 5: Solve for x
    x = 201,734,526.66/18,002.34
  6. Step 6: Final answer
    x = 11,206.02

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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.