Home / 13,227.52-18,254.82-9,643.36

Finding the Fourth Proportional to 13,227.52, 18,254.82 and 9,643.36

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Solution

The fourth proportional to 13,227.52, 18,254.82 and 9,643.36 is: 13,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.52 : 18,254.82 = 9,643.36 : x
  2. Step 2: Convert to fraction form
    13,227.52/18,254.82 = 9,643.36/x
  3. Step 3: Cross multiply
    13,227.52x = 18,254.82 × 9,643.36
  4. Step 4: Simplify right side
    13,227.52x = 176,037,801.00
  5. Step 5: Solve for x
    x = 176,037,801.00/13,227.52
  6. Step 6: Final answer
    x = 13,308.45

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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.