Home / 11,617.18-16,029.96-6,581.12

Finding the Fourth Proportional to 11,617.18, 16,029.96 and 6,581.12

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Solution

The fourth proportional to 11,617.18, 16,029.96 and 6,581.12 is: 9,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.18 : 16,029.96 = 6,581.12 : x
  2. Step 2: Convert to fraction form
    11,617.18/16,029.96 = 6,581.12/x
  3. Step 3: Cross multiply
    11,617.18x = 16,029.96 × 6,581.12
  4. Step 4: Simplify right side
    11,617.18x = 105,495,090.36
  5. Step 5: Solve for x
    x = 105,495,090.36/11,617.18
  6. Step 6: Final answer
    x = 9,080.96

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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.