Home / 20,856.26-31,289.51-6,065.30

Finding the Fourth Proportional to 20,856.26, 31,289.51 and 6,065.30

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Solution

The fourth proportional to 20,856.26, 31,289.51 and 6,065.30 is: 9,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856.26 : 31,289.51 = 6,065.30 : x
  2. Step 2: Convert to fraction form
    20,856.26/31,289.51 = 6,065.30/x
  3. Step 3: Cross multiply
    20,856.26x = 31,289.51 × 6,065.30
  4. Step 4: Simplify right side
    20,856.26x = 189,780,343.23
  5. Step 5: Solve for x
    x = 189,780,343.23/20,856.26
  6. Step 6: Final answer
    x = 9,099.44

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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.