Home / 19,637.62-27,100.38-11,140.32

Finding the Fourth Proportional to 19,637.62, 27,100.38 and 11,140.32

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Solution

The fourth proportional to 19,637.62, 27,100.38 and 11,140.32 is: 15,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.62 : 27,100.38 = 11,140.32 : x
  2. Step 2: Convert to fraction form
    19,637.62/27,100.38 = 11,140.32/x
  3. Step 3: Cross multiply
    19,637.62x = 27,100.38 × 11,140.32
  4. Step 4: Simplify right side
    19,637.62x = 301,906,905.32
  5. Step 5: Solve for x
    x = 301,906,905.32/19,637.62
  6. Step 6: Final answer
    x = 15,373.91

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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.