Home / 20,030.19-30,016.58-11,246.65

Finding the Fourth Proportional to 20,030.19, 30,016.58 and 11,246.65

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Solution

The fourth proportional to 20,030.19, 30,016.58 and 11,246.65 is: 16,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.19 : 30,016.58 = 11,246.65 : x
  2. Step 2: Convert to fraction form
    20,030.19/30,016.58 = 11,246.65/x
  3. Step 3: Cross multiply
    20,030.19x = 30,016.58 × 11,246.65
  4. Step 4: Simplify right side
    20,030.19x = 337,585,838.18
  5. Step 5: Solve for x
    x = 337,585,838.18/20,030.19
  6. Step 6: Final answer
    x = 16,853.85

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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.