Home / 9,310.24-13,926.30-8,610.40

Finding the Fourth Proportional to 9,310.24, 13,926.30 and 8,610.40

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Solution

The fourth proportional to 9,310.24, 13,926.30 and 8,610.40 is: 12,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.24 : 13,926.30 = 8,610.40 : x
  2. Step 2: Convert to fraction form
    9,310.24/13,926.30 = 8,610.40/x
  3. Step 3: Cross multiply
    9,310.24x = 13,926.30 × 8,610.40
  4. Step 4: Simplify right side
    9,310.24x = 119,911,013.52
  5. Step 5: Solve for x
    x = 119,911,013.52/9,310.24
  6. Step 6: Final answer
    x = 12,879.48

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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.