Home / 19,637.71-27,099.23-10,685.21

Finding the Fourth Proportional to 19,637.71, 27,099.23 and 10,685.21

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Solution

The fourth proportional to 19,637.71, 27,099.23 and 10,685.21 is: 14,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.71 : 27,099.23 = 10,685.21 : x
  2. Step 2: Convert to fraction form
    19,637.71/27,099.23 = 10,685.21/x
  3. Step 3: Cross multiply
    19,637.71x = 27,099.23 × 10,685.21
  4. Step 4: Simplify right side
    19,637.71x = 289,560,774.47
  5. Step 5: Solve for x
    x = 289,560,774.47/19,637.71
  6. Step 6: Final answer
    x = 14,745.14

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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.