Home / 13,326.04-19,993.38-6,401.08

Finding the Fourth Proportional to 13,326.04, 19,993.38 and 6,401.08

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Solution

The fourth proportional to 13,326.04, 19,993.38 and 6,401.08 is: 9,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.04 : 19,993.38 = 6,401.08 : x
  2. Step 2: Convert to fraction form
    13,326.04/19,993.38 = 6,401.08/x
  3. Step 3: Cross multiply
    13,326.04x = 19,993.38 × 6,401.08
  4. Step 4: Simplify right side
    13,326.04x = 127,979,224.85
  5. Step 5: Solve for x
    x = 127,979,224.85/13,326.04
  6. Step 6: Final answer
    x = 9,603.70

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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.