Home / 16,856.47-25,300.23-8,542.30

Finding the Fourth Proportional to 16,856.47, 25,300.23 and 8,542.30

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Solution

The fourth proportional to 16,856.47, 25,300.23 and 8,542.30 is: 12,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.47 : 25,300.23 = 8,542.30 : x
  2. Step 2: Convert to fraction form
    16,856.47/25,300.23 = 8,542.30/x
  3. Step 3: Cross multiply
    16,856.47x = 25,300.23 × 8,542.30
  4. Step 4: Simplify right side
    16,856.47x = 216,122,154.73
  5. Step 5: Solve for x
    x = 216,122,154.73/16,856.47
  6. Step 6: Final answer
    x = 12,821.32

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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.