Home / 14,418.72-19,884.48-9,104.28

Finding the Fourth Proportional to 14,418.72, 19,884.48 and 9,104.28

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Solution

The fourth proportional to 14,418.72, 19,884.48 and 9,104.28 is: 12,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.72 : 19,884.48 = 9,104.28 : x
  2. Step 2: Convert to fraction form
    14,418.72/19,884.48 = 9,104.28/x
  3. Step 3: Cross multiply
    14,418.72x = 19,884.48 × 9,104.28
  4. Step 4: Simplify right side
    14,418.72x = 181,033,873.57
  5. Step 5: Solve for x
    x = 181,033,873.57/14,418.72
  6. Step 6: Final answer
    x = 12,555.47

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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.