Home / 13,178.08-19,767.14-3,317.29

Finding the Fourth Proportional to 13,178.08, 19,767.14 and 3,317.29

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Solution

The fourth proportional to 13,178.08, 19,767.14 and 3,317.29 is: 4,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.08 : 19,767.14 = 3,317.29 : x
  2. Step 2: Convert to fraction form
    13,178.08/19,767.14 = 3,317.29/x
  3. Step 3: Cross multiply
    13,178.08x = 19,767.14 × 3,317.29
  4. Step 4: Simplify right side
    13,178.08x = 65,573,282.29
  5. Step 5: Solve for x
    x = 65,573,282.29/13,178.08
  6. Step 6: Final answer
    x = 4,975.94

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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.