Home / 19,992.29-29,966.90-10,132.34

Finding the Fourth Proportional to 19,992.29, 29,966.90 and 10,132.34

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Solution

The fourth proportional to 19,992.29, 29,966.90 and 10,132.34 is: 15,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.29 : 29,966.90 = 10,132.34 : x
  2. Step 2: Convert to fraction form
    19,992.29/29,966.90 = 10,132.34/x
  3. Step 3: Cross multiply
    19,992.29x = 29,966.90 × 10,132.34
  4. Step 4: Simplify right side
    19,992.29x = 303,634,619.05
  5. Step 5: Solve for x
    x = 303,634,619.05/19,992.29
  6. Step 6: Final answer
    x = 15,187.59

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1.5x scale

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.