Home / 18,883.72-26,058.84-10,385.78

Finding the Fourth Proportional to 18,883.72, 26,058.84 and 10,385.78

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Solution

The fourth proportional to 18,883.72, 26,058.84 and 10,385.78 is: 14,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.72 : 26,058.84 = 10,385.78 : x
  2. Step 2: Convert to fraction form
    18,883.72/26,058.84 = 10,385.78/x
  3. Step 3: Cross multiply
    18,883.72x = 26,058.84 × 10,385.78
  4. Step 4: Simplify right side
    18,883.72x = 270,641,379.30
  5. Step 5: Solve for x
    x = 270,641,379.30/18,883.72
  6. Step 6: Final answer
    x = 14,331.99

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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.