Home / 15,874.34-23,813.10-4,187.56

Finding the Fourth Proportional to 15,874.34, 23,813.10 and 4,187.56

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Solution

The fourth proportional to 15,874.34, 23,813.10 and 4,187.56 is: 6,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.34 : 23,813.10 = 4,187.56 : x
  2. Step 2: Convert to fraction form
    15,874.34/23,813.10 = 4,187.56/x
  3. Step 3: Cross multiply
    15,874.34x = 23,813.10 × 4,187.56
  4. Step 4: Simplify right side
    15,874.34x = 99,718,785.04
  5. Step 5: Solve for x
    x = 99,718,785.04/15,874.34
  6. Step 6: Final answer
    x = 6,281.76

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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.