Home / 19,339.92-28,998.68-10,322.90

Finding the Fourth Proportional to 19,339.92, 28,998.68 and 10,322.90

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Solution

The fourth proportional to 19,339.92, 28,998.68 and 10,322.90 is: 15,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.92 : 28,998.68 = 10,322.90 : x
  2. Step 2: Convert to fraction form
    19,339.92/28,998.68 = 10,322.90/x
  3. Step 3: Cross multiply
    19,339.92x = 28,998.68 × 10,322.90
  4. Step 4: Simplify right side
    19,339.92x = 299,350,473.77
  5. Step 5: Solve for x
    x = 299,350,473.77/19,339.92
  6. Step 6: Final answer
    x = 15,478.37

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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.