Home / 17,363.70-23,939.64-11,385

Finding the Fourth Proportional to 17,363.70, 23,939.64 and 11,385

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Solution

The fourth proportional to 17,363.70, 23,939.64 and 11,385 is: 15,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.70 : 23,939.64 = 11,385 : x
  2. Step 2: Convert to fraction form
    17,363.70/23,939.64 = 11,385/x
  3. Step 3: Cross multiply
    17,363.70x = 23,939.64 × 11,385
  4. Step 4: Simplify right side
    17,363.70x = 272,552,801.40
  5. Step 5: Solve for x
    x = 272,552,801.40/17,363.70
  6. Step 6: Final answer
    x = 15,696.70

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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.