Home / 19,637.21-27,099.83-10,685.20

Finding the Fourth Proportional to 19,637.21, 27,099.83 and 10,685.20

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Solution

The fourth proportional to 19,637.21, 27,099.83 and 10,685.20 is: 14,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.21 : 27,099.83 = 10,685.20 : x
  2. Step 2: Convert to fraction form
    19,637.21/27,099.83 = 10,685.20/x
  3. Step 3: Cross multiply
    19,637.21x = 27,099.83 × 10,685.20
  4. Step 4: Simplify right side
    19,637.21x = 289,567,250.16
  5. Step 5: Solve for x
    x = 289,567,250.16/19,637.21
  6. Step 6: Final answer
    x = 14,745.84

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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.