Home / 12,799.19-19,187.10-10,837.46

Finding the Fourth Proportional to 12,799.19, 19,187.10 and 10,837.46

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Solution

The fourth proportional to 12,799.19, 19,187.10 and 10,837.46 is: 16,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.19 : 19,187.10 = 10,837.46 : x
  2. Step 2: Convert to fraction form
    12,799.19/19,187.10 = 10,837.46/x
  3. Step 3: Cross multiply
    12,799.19x = 19,187.10 × 10,837.46
  4. Step 4: Simplify right side
    12,799.19x = 207,939,428.77
  5. Step 5: Solve for x
    x = 207,939,428.77/12,799.19
  6. Step 6: Final answer
    x = 16,246.30

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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.