Home / 21,930.16-32,900.10-10,237

Finding the Fourth Proportional to 21,930.16, 32,900.10 and 10,237

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Solution

The fourth proportional to 21,930.16, 32,900.10 and 10,237 is: 15,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930.16 : 32,900.10 = 10,237 : x
  2. Step 2: Convert to fraction form
    21,930.16/32,900.10 = 10,237/x
  3. Step 3: Cross multiply
    21,930.16x = 32,900.10 × 10,237
  4. Step 4: Simplify right side
    21,930.16x = 336,798,323.70
  5. Step 5: Solve for x
    x = 336,798,323.70/21,930.16
  6. Step 6: Final answer
    x = 15,357.77

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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.