Home / 21,684.74-32,517.90-6,889.70

Finding the Fourth Proportional to 21,684.74, 32,517.90 and 6,889.70

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Solution

The fourth proportional to 21,684.74, 32,517.90 and 6,889.70 is: 10,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.74 : 32,517.90 = 6,889.70 : x
  2. Step 2: Convert to fraction form
    21,684.74/32,517.90 = 6,889.70/x
  3. Step 3: Cross multiply
    21,684.74x = 32,517.90 × 6,889.70
  4. Step 4: Simplify right side
    21,684.74x = 224,038,575.63
  5. Step 5: Solve for x
    x = 224,038,575.63/21,684.74
  6. Step 6: Final answer
    x = 10,331.62

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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.