Home / 13,294.32-19,949.04-4,980.12

Finding the Fourth Proportional to 13,294.32, 19,949.04 and 4,980.12

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Solution

The fourth proportional to 13,294.32, 19,949.04 and 4,980.12 is: 7,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.32 : 19,949.04 = 4,980.12 : x
  2. Step 2: Convert to fraction form
    13,294.32/19,949.04 = 4,980.12/x
  3. Step 3: Cross multiply
    13,294.32x = 19,949.04 × 4,980.12
  4. Step 4: Simplify right side
    13,294.32x = 99,348,613.08
  5. Step 5: Solve for x
    x = 99,348,613.08/13,294.32
  6. Step 6: Final answer
    x = 7,473.01

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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.