Home / 15,798.08-23,711.48-8,408.72

Finding the Fourth Proportional to 15,798.08, 23,711.48 and 8,408.72

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Solution

The fourth proportional to 15,798.08, 23,711.48 and 8,408.72 is: 12,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.08 : 23,711.48 = 8,408.72 : x
  2. Step 2: Convert to fraction form
    15,798.08/23,711.48 = 8,408.72/x
  3. Step 3: Cross multiply
    15,798.08x = 23,711.48 × 8,408.72
  4. Step 4: Simplify right side
    15,798.08x = 199,383,196.11
  5. Step 5: Solve for x
    x = 199,383,196.11/15,798.08
  6. Step 6: Final answer
    x = 12,620.72

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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.