Home / 19,637.45-27,093.52-11,138.88

Finding the Fourth Proportional to 19,637.45, 27,093.52 and 11,138.88

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Solution

The fourth proportional to 19,637.45, 27,093.52 and 11,138.88 is: 15,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.45 : 27,093.52 = 11,138.88 : x
  2. Step 2: Convert to fraction form
    19,637.45/27,093.52 = 11,138.88/x
  3. Step 3: Cross multiply
    19,637.45x = 27,093.52 × 11,138.88
  4. Step 4: Simplify right side
    19,637.45x = 301,791,468.06
  5. Step 5: Solve for x
    x = 301,791,468.06/19,637.45
  6. Step 6: Final answer
    x = 15,368.16

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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.