Home / 9,319.96-13,980.84-3,398.44

Finding the Fourth Proportional to 9,319.96, 13,980.84 and 3,398.44

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Solution

The fourth proportional to 9,319.96, 13,980.84 and 3,398.44 is: 5,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.96 : 13,980.84 = 3,398.44 : x
  2. Step 2: Convert to fraction form
    9,319.96/13,980.84 = 3,398.44/x
  3. Step 3: Cross multiply
    9,319.96x = 13,980.84 × 3,398.44
  4. Step 4: Simplify right side
    9,319.96x = 47,513,045.89
  5. Step 5: Solve for x
    x = 47,513,045.89/9,319.96
  6. Step 6: Final answer
    x = 5,097.99

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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.