Home / 19,088.39-26,354.99-11,929.21

Finding the Fourth Proportional to 19,088.39, 26,354.99 and 11,929.21

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Solution

The fourth proportional to 19,088.39, 26,354.99 and 11,929.21 is: 16,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.39 : 26,354.99 = 11,929.21 : x
  2. Step 2: Convert to fraction form
    19,088.39/26,354.99 = 11,929.21/x
  3. Step 3: Cross multiply
    19,088.39x = 26,354.99 × 11,929.21
  4. Step 4: Simplify right side
    19,088.39x = 314,394,174.19
  5. Step 5: Solve for x
    x = 314,394,174.19/19,088.39
  6. Step 6: Final answer
    x = 16,470.44

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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.