Home / 15,845.72-21,877.41-10,182.65

Finding the Fourth Proportional to 15,845.72, 21,877.41 and 10,182.65

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Solution

The fourth proportional to 15,845.72, 21,877.41 and 10,182.65 is: 14,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.72 : 21,877.41 = 10,182.65 : x
  2. Step 2: Convert to fraction form
    15,845.72/21,877.41 = 10,182.65/x
  3. Step 3: Cross multiply
    15,845.72x = 21,877.41 × 10,182.65
  4. Step 4: Simplify right side
    15,845.72x = 222,769,899.55
  5. Step 5: Solve for x
    x = 222,769,899.55/15,845.72
  6. Step 6: Final answer
    x = 14,058.68

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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.