Home / 11,385.03-15,709.77-6,348.65

Finding the Fourth Proportional to 11,385.03, 15,709.77 and 6,348.65

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Solution

The fourth proportional to 11,385.03, 15,709.77 and 6,348.65 is: 8,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.03 : 15,709.77 = 6,348.65 : x
  2. Step 2: Convert to fraction form
    11,385.03/15,709.77 = 6,348.65/x
  3. Step 3: Cross multiply
    11,385.03x = 15,709.77 × 6,348.65
  4. Step 4: Simplify right side
    11,385.03x = 99,735,752.76
  5. Step 5: Solve for x
    x = 99,735,752.76/11,385.03
  6. Step 6: Final answer
    x = 8,760.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.