Home / 20,124.28-30,176.65-6,081.62

Finding the Fourth Proportional to 20,124.28, 30,176.65 and 6,081.62

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Solution

The fourth proportional to 20,124.28, 30,176.65 and 6,081.62 is: 9,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.28 : 30,176.65 = 6,081.62 : x
  2. Step 2: Convert to fraction form
    20,124.28/30,176.65 = 6,081.62/x
  3. Step 3: Cross multiply
    20,124.28x = 30,176.65 × 6,081.62
  4. Step 4: Simplify right side
    20,124.28x = 183,522,774.89
  5. Step 5: Solve for x
    x = 183,522,774.89/20,124.28
  6. Step 6: Final answer
    x = 9,119.47

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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.