Home / 12,895.14-19,344.16-11,570.75

Finding the Fourth Proportional to 12,895.14, 19,344.16 and 11,570.75

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Solution

The fourth proportional to 12,895.14, 19,344.16 and 11,570.75 is: 17,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.14 : 19,344.16 = 11,570.75 : x
  2. Step 2: Convert to fraction form
    12,895.14/19,344.16 = 11,570.75/x
  3. Step 3: Cross multiply
    12,895.14x = 19,344.16 × 11,570.75
  4. Step 4: Simplify right side
    12,895.14x = 223,826,381.47
  5. Step 5: Solve for x
    x = 223,826,381.47/12,895.14
  6. Step 6: Final answer
    x = 17,357.42

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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.