Home / 13,209.04-19,813.98-4,891.15

Finding the Fourth Proportional to 13,209.04, 19,813.98 and 4,891.15

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Solution

The fourth proportional to 13,209.04, 19,813.98 and 4,891.15 is: 7,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.04 : 19,813.98 = 4,891.15 : x
  2. Step 2: Convert to fraction form
    13,209.04/19,813.98 = 4,891.15/x
  3. Step 3: Cross multiply
    13,209.04x = 19,813.98 × 4,891.15
  4. Step 4: Simplify right side
    13,209.04x = 96,913,049.21
  5. Step 5: Solve for x
    x = 96,913,049.21/13,209.04
  6. Step 6: Final answer
    x = 7,336.88

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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.