Home / 21,390.71-32,084.24-6,599.75

Finding the Fourth Proportional to 21,390.71, 32,084.24 and 6,599.75

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Solution

The fourth proportional to 21,390.71, 32,084.24 and 6,599.75 is: 9,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.71 : 32,084.24 = 6,599.75 : x
  2. Step 2: Convert to fraction form
    21,390.71/32,084.24 = 6,599.75/x
  3. Step 3: Cross multiply
    21,390.71x = 32,084.24 × 6,599.75
  4. Step 4: Simplify right side
    21,390.71x = 211,747,769.52
  5. Step 5: Solve for x
    x = 211,747,769.52/21,390.71
  6. Step 6: Final answer
    x = 9,899.06

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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.