Home / 19,217-26,519.46-10,385

Finding the Fourth Proportional to 19,217, 26,519.46 and 10,385

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Solution

The fourth proportional to 19,217, 26,519.46 and 10,385 is: 14,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217 : 26,519.46 = 10,385 : x
  2. Step 2: Convert to fraction form
    19,217/26,519.46 = 10,385/x
  3. Step 3: Cross multiply
    19,217x = 26,519.46 × 10,385
  4. Step 4: Simplify right side
    19,217x = 275,404,592.10
  5. Step 5: Solve for x
    x = 275,404,592.10/19,217
  6. Step 6: Final answer
    x = 14,331.30

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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.