Home / 13,988.52-19,238.00-11,122.19

Finding the Fourth Proportional to 13,988.52, 19,238.00 and 11,122.19

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Solution

The fourth proportional to 13,988.52, 19,238.00 and 11,122.19 is: 15,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.52 : 19,238.00 = 11,122.19 : x
  2. Step 2: Convert to fraction form
    13,988.52/19,238.00 = 11,122.19/x
  3. Step 3: Cross multiply
    13,988.52x = 19,238.00 × 11,122.19
  4. Step 4: Simplify right side
    13,988.52x = 213,968,539.42
  5. Step 5: Solve for x
    x = 213,968,539.42/13,988.52
  6. Step 6: Final answer
    x = 15,296.01

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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.