Home / 19,318.80-26,656.34-11,358.12

Finding the Fourth Proportional to 19,318.80, 26,656.34 and 11,358.12

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Solution

The fourth proportional to 19,318.80, 26,656.34 and 11,358.12 is: 15,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.80 : 26,656.34 = 11,358.12 : x
  2. Step 2: Convert to fraction form
    19,318.80/26,656.34 = 11,358.12/x
  3. Step 3: Cross multiply
    19,318.80x = 26,656.34 × 11,358.12
  4. Step 4: Simplify right side
    19,318.80x = 302,766,015.54
  5. Step 5: Solve for x
    x = 302,766,015.54/19,318.80
  6. Step 6: Final answer
    x = 15,672.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.