Home / 22,389.36-30,896.09-12,316.17

Finding the Fourth Proportional to 22,389.36, 30,896.09 and 12,316.17

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Solution

The fourth proportional to 22,389.36, 30,896.09 and 12,316.17 is: 16,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.36 : 30,896.09 = 12,316.17 : x
  2. Step 2: Convert to fraction form
    22,389.36/30,896.09 = 12,316.17/x
  3. Step 3: Cross multiply
    22,389.36x = 30,896.09 × 12,316.17
  4. Step 4: Simplify right side
    22,389.36x = 380,521,496.78
  5. Step 5: Solve for x
    x = 380,521,496.78/22,389.36
  6. Step 6: Final answer
    x = 16,995.64

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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.