Home / 19,351.29-26,710.30-11,398.10

Finding the Fourth Proportional to 19,351.29, 26,710.30 and 11,398.10

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Solution

The fourth proportional to 19,351.29, 26,710.30 and 11,398.10 is: 15,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.29 : 26,710.30 = 11,398.10 : x
  2. Step 2: Convert to fraction form
    19,351.29/26,710.30 = 11,398.10/x
  3. Step 3: Cross multiply
    19,351.29x = 26,710.30 × 11,398.10
  4. Step 4: Simplify right side
    19,351.29x = 304,446,670.43
  5. Step 5: Solve for x
    x = 304,446,670.43/19,351.29
  6. Step 6: Final answer
    x = 15,732.63

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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.