Home / 19,324.32-28,966.44-10,986.40

Finding the Fourth Proportional to 19,324.32, 28,966.44 and 10,986.40

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Solution

The fourth proportional to 19,324.32, 28,966.44 and 10,986.40 is: 16,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.32 : 28,966.44 = 10,986.40 : x
  2. Step 2: Convert to fraction form
    19,324.32/28,966.44 = 10,986.40/x
  3. Step 3: Cross multiply
    19,324.32x = 28,966.44 × 10,986.40
  4. Step 4: Simplify right side
    19,324.32x = 318,236,896.42
  5. Step 5: Solve for x
    x = 318,236,896.42/19,324.32
  6. Step 6: Final answer
    x = 16,468.21

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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.