Home / 19,360.92-26,726.23-13,081.80

Finding the Fourth Proportional to 19,360.92, 26,726.23 and 13,081.80

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Solution

The fourth proportional to 19,360.92, 26,726.23 and 13,081.80 is: 18,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.92 : 26,726.23 = 13,081.80 : x
  2. Step 2: Convert to fraction form
    19,360.92/26,726.23 = 13,081.80/x
  3. Step 3: Cross multiply
    19,360.92x = 26,726.23 × 13,081.80
  4. Step 4: Simplify right side
    19,360.92x = 349,627,130.21
  5. Step 5: Solve for x
    x = 349,627,130.21/19,360.92
  6. Step 6: Final answer
    x = 18,058.39

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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.