Home / 10,206.91-15,295.98-8,117.65

Finding the Fourth Proportional to 10,206.91, 15,295.98 and 8,117.65

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Solution

The fourth proportional to 10,206.91, 15,295.98 and 8,117.65 is: 12,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.91 : 15,295.98 = 8,117.65 : x
  2. Step 2: Convert to fraction form
    10,206.91/15,295.98 = 8,117.65/x
  3. Step 3: Cross multiply
    10,206.91x = 15,295.98 × 8,117.65
  4. Step 4: Simplify right side
    10,206.91x = 124,167,335.57
  5. Step 5: Solve for x
    x = 124,167,335.57/10,206.91
  6. Step 6: Final answer
    x = 12,165.03

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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.