Home / 10,069.65-15,109.91-5,917.77

Finding the Fourth Proportional to 10,069.65, 15,109.91 and 5,917.77

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Solution

The fourth proportional to 10,069.65, 15,109.91 and 5,917.77 is: 8,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.65 : 15,109.91 = 5,917.77 : x
  2. Step 2: Convert to fraction form
    10,069.65/15,109.91 = 5,917.77/x
  3. Step 3: Cross multiply
    10,069.65x = 15,109.91 × 5,917.77
  4. Step 4: Simplify right side
    10,069.65x = 89,416,942.51
  5. Step 5: Solve for x
    x = 89,416,942.51/10,069.65
  6. Step 6: Final answer
    x = 8,879.85

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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.