Home / 9,895.41-13,637.25-8,116.65

Finding the Fourth Proportional to 9,895.41, 13,637.25 and 8,116.65

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Solution

The fourth proportional to 9,895.41, 13,637.25 and 8,116.65 is: 11,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.41 : 13,637.25 = 8,116.65 : x
  2. Step 2: Convert to fraction form
    9,895.41/13,637.25 = 8,116.65/x
  3. Step 3: Cross multiply
    9,895.41x = 13,637.25 × 8,116.65
  4. Step 4: Simplify right side
    9,895.41x = 110,688,785.21
  5. Step 5: Solve for x
    x = 110,688,785.21/9,895.41
  6. Step 6: Final answer
    x = 11,185.87

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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.