Home / 12,865.39-19,264.25-10,353.22

Finding the Fourth Proportional to 12,865.39, 19,264.25 and 10,353.22

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Solution

The fourth proportional to 12,865.39, 19,264.25 and 10,353.22 is: 15,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865.39 : 19,264.25 = 10,353.22 : x
  2. Step 2: Convert to fraction form
    12,865.39/19,264.25 = 10,353.22/x
  3. Step 3: Cross multiply
    12,865.39x = 19,264.25 × 10,353.22
  4. Step 4: Simplify right side
    12,865.39x = 199,446,996.11
  5. Step 5: Solve for x
    x = 199,446,996.11/12,865.39
  6. Step 6: Final answer
    x = 15,502.60

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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.