Home / 12,895.95-19,387.67-10,296.66

Finding the Fourth Proportional to 12,895.95, 19,387.67 and 10,296.66

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Solution

The fourth proportional to 12,895.95, 19,387.67 and 10,296.66 is: 15,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.95 : 19,387.67 = 10,296.66 : x
  2. Step 2: Convert to fraction form
    12,895.95/19,387.67 = 10,296.66/x
  3. Step 3: Cross multiply
    12,895.95x = 19,387.67 × 10,296.66
  4. Step 4: Simplify right side
    12,895.95x = 199,628,194.70
  5. Step 5: Solve for x
    x = 199,628,194.70/12,895.95
  6. Step 6: Final answer
    x = 15,479.91

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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.