Home / 21,199.24-31,808.04-10,106.02

Finding the Fourth Proportional to 21,199.24, 31,808.04 and 10,106.02

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Solution

The fourth proportional to 21,199.24, 31,808.04 and 10,106.02 is: 15,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.24 : 31,808.04 = 10,106.02 : x
  2. Step 2: Convert to fraction form
    21,199.24/31,808.04 = 10,106.02/x
  3. Step 3: Cross multiply
    21,199.24x = 31,808.04 × 10,106.02
  4. Step 4: Simplify right side
    21,199.24x = 321,452,688.40
  5. Step 5: Solve for x
    x = 321,452,688.40/21,199.24
  6. Step 6: Final answer
    x = 15,163.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.