Home / 19,358.09-26,710.91-11,401.88

Finding the Fourth Proportional to 19,358.09, 26,710.91 and 11,401.88

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Solution

The fourth proportional to 19,358.09, 26,710.91 and 11,401.88 is: 15,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.09 : 26,710.91 = 11,401.88 : x
  2. Step 2: Convert to fraction form
    19,358.09/26,710.91 = 11,401.88/x
  3. Step 3: Cross multiply
    19,358.09x = 26,710.91 × 11,401.88
  4. Step 4: Simplify right side
    19,358.09x = 304,554,657.09
  5. Step 5: Solve for x
    x = 304,554,657.09/19,358.09
  6. Step 6: Final answer
    x = 15,732.68

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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.