Home / 9,891.32-14,837.76-3,317.49

Finding the Fourth Proportional to 9,891.32, 14,837.76 and 3,317.49

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Solution

The fourth proportional to 9,891.32, 14,837.76 and 3,317.49 is: 4,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.32 : 14,837.76 = 3,317.49 : x
  2. Step 2: Convert to fraction form
    9,891.32/14,837.76 = 3,317.49/x
  3. Step 3: Cross multiply
    9,891.32x = 14,837.76 × 3,317.49
  4. Step 4: Simplify right side
    9,891.32x = 49,224,120.42
  5. Step 5: Solve for x
    x = 49,224,120.42/9,891.32
  6. Step 6: Final answer
    x = 4,976.50

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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.