Home / 10,811.76-14,918.12-6,617.04

Finding the Fourth Proportional to 10,811.76, 14,918.12 and 6,617.04

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Solution

The fourth proportional to 10,811.76, 14,918.12 and 6,617.04 is: 9,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.76 : 14,918.12 = 6,617.04 : x
  2. Step 2: Convert to fraction form
    10,811.76/14,918.12 = 6,617.04/x
  3. Step 3: Cross multiply
    10,811.76x = 14,918.12 × 6,617.04
  4. Step 4: Simplify right side
    10,811.76x = 98,713,796.76
  5. Step 5: Solve for x
    x = 98,713,796.76/10,811.76
  6. Step 6: Final answer
    x = 9,130.22

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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.