Home / 20,228.31-30,337.59-6,188.46

Finding the Fourth Proportional to 20,228.31, 30,337.59 and 6,188.46

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Solution

The fourth proportional to 20,228.31, 30,337.59 and 6,188.46 is: 9,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.31 : 30,337.59 = 6,188.46 : x
  2. Step 2: Convert to fraction form
    20,228.31/30,337.59 = 6,188.46/x
  3. Step 3: Cross multiply
    20,228.31x = 30,337.59 × 6,188.46
  4. Step 4: Simplify right side
    20,228.31x = 187,742,795.05
  5. Step 5: Solve for x
    x = 187,742,795.05/20,228.31
  6. Step 6: Final answer
    x = 9,281.19

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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.