Home / 22,269.60-33,405.96-6,688.40

Finding the Fourth Proportional to 22,269.60, 33,405.96 and 6,688.40

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Solution

The fourth proportional to 22,269.60, 33,405.96 and 6,688.40 is: 10,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.60 : 33,405.96 = 6,688.40 : x
  2. Step 2: Convert to fraction form
    22,269.60/33,405.96 = 6,688.40/x
  3. Step 3: Cross multiply
    22,269.60x = 33,405.96 × 6,688.40
  4. Step 4: Simplify right side
    22,269.60x = 223,432,422.86
  5. Step 5: Solve for x
    x = 223,432,422.86/22,269.60
  6. Step 6: Final answer
    x = 10,033.07

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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.