Home / 19,637.25-27,099.19-11,679.30

Finding the Fourth Proportional to 19,637.25, 27,099.19 and 11,679.30

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Solution

The fourth proportional to 19,637.25, 27,099.19 and 11,679.30 is: 16,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.25 : 27,099.19 = 11,679.30 : x
  2. Step 2: Convert to fraction form
    19,637.25/27,099.19 = 11,679.30/x
  3. Step 3: Cross multiply
    19,637.25x = 27,099.19 × 11,679.30
  4. Step 4: Simplify right side
    19,637.25x = 316,499,569.77
  5. Step 5: Solve for x
    x = 316,499,569.77/19,637.25
  6. Step 6: Final answer
    x = 16,117.31

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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.