Home / 14,438.93-21,645.74-6,938.75

Finding the Fourth Proportional to 14,438.93, 21,645.74 and 6,938.75

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Solution

The fourth proportional to 14,438.93, 21,645.74 and 6,938.75 is: 10,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.93 : 21,645.74 = 6,938.75 : x
  2. Step 2: Convert to fraction form
    14,438.93/21,645.74 = 6,938.75/x
  3. Step 3: Cross multiply
    14,438.93x = 21,645.74 × 6,938.75
  4. Step 4: Simplify right side
    14,438.93x = 150,194,432.54
  5. Step 5: Solve for x
    x = 150,194,432.54/14,438.93
  6. Step 6: Final answer
    x = 10,402.05

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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.