Home / 9,920.72-14,851.92-6,625.68

Finding the Fourth Proportional to 9,920.72, 14,851.92 and 6,625.68

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Solution

The fourth proportional to 9,920.72, 14,851.92 and 6,625.68 is: 9,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.72 : 14,851.92 = 6,625.68 : x
  2. Step 2: Convert to fraction form
    9,920.72/14,851.92 = 6,625.68/x
  3. Step 3: Cross multiply
    9,920.72x = 14,851.92 × 6,625.68
  4. Step 4: Simplify right side
    9,920.72x = 98,404,069.31
  5. Step 5: Solve for x
    x = 98,404,069.31/9,920.72
  6. Step 6: Final answer
    x = 9,919.05

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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.