Home / 13,216.12-19,813.56-9,045.88

Finding the Fourth Proportional to 13,216.12, 19,813.56 and 9,045.88

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Solution

The fourth proportional to 13,216.12, 19,813.56 and 9,045.88 is: 13,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.12 : 19,813.56 = 9,045.88 : x
  2. Step 2: Convert to fraction form
    13,216.12/19,813.56 = 9,045.88/x
  3. Step 3: Cross multiply
    13,216.12x = 19,813.56 × 9,045.88
  4. Step 4: Simplify right side
    13,216.12x = 179,231,086.13
  5. Step 5: Solve for x
    x = 179,231,086.13/13,216.12
  6. Step 6: Final answer
    x = 13,561.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.