Home / 14,475.09-19,984.62-11,111.49

Finding the Fourth Proportional to 14,475.09, 19,984.62 and 11,111.49

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Solution

The fourth proportional to 14,475.09, 19,984.62 and 11,111.49 is: 15,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.09 : 19,984.62 = 11,111.49 : x
  2. Step 2: Convert to fraction form
    14,475.09/19,984.62 = 11,111.49/x
  3. Step 3: Cross multiply
    14,475.09x = 19,984.62 × 11,111.49
  4. Step 4: Simplify right side
    14,475.09x = 222,058,905.28
  5. Step 5: Solve for x
    x = 222,058,905.28/14,475.09
  6. Step 6: Final answer
    x = 15,340.76

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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.