Home / 20,007.30-30,015.18-6,856.14

Finding the Fourth Proportional to 20,007.30, 30,015.18 and 6,856.14

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Solution

The fourth proportional to 20,007.30, 30,015.18 and 6,856.14 is: 10,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.30 : 30,015.18 = 6,856.14 : x
  2. Step 2: Convert to fraction form
    20,007.30/30,015.18 = 6,856.14/x
  3. Step 3: Cross multiply
    20,007.30x = 30,015.18 × 6,856.14
  4. Step 4: Simplify right side
    20,007.30x = 205,788,276.21
  5. Step 5: Solve for x
    x = 205,788,276.21/20,007.30
  6. Step 6: Final answer
    x = 10,285.66

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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.