Home / 19,398.48-26,780.12-13,058.41

Finding the Fourth Proportional to 19,398.48, 26,780.12 and 13,058.41

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Solution

The fourth proportional to 19,398.48, 26,780.12 and 13,058.41 is: 18,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.48 : 26,780.12 = 13,058.41 : x
  2. Step 2: Convert to fraction form
    19,398.48/26,780.12 = 13,058.41/x
  3. Step 3: Cross multiply
    19,398.48x = 26,780.12 × 13,058.41
  4. Step 4: Simplify right side
    19,398.48x = 349,705,587.62
  5. Step 5: Solve for x
    x = 349,705,587.62/19,398.48
  6. Step 6: Final answer
    x = 18,027.48

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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.