Home / 18,401.40-27,616.29-13,064.22

Finding the Fourth Proportional to 18,401.40, 27,616.29 and 13,064.22

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Solution

The fourth proportional to 18,401.40, 27,616.29 and 13,064.22 is: 19,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.40 : 27,616.29 = 13,064.22 : x
  2. Step 2: Convert to fraction form
    18,401.40/27,616.29 = 13,064.22/x
  3. Step 3: Cross multiply
    18,401.40x = 27,616.29 × 13,064.22
  4. Step 4: Simplify right side
    18,401.40x = 360,785,288.14
  5. Step 5: Solve for x
    x = 360,785,288.14/18,401.40
  6. Step 6: Final answer
    x = 19,606.40

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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.