Home / 11,457.40-17,186.78-3,560.66

Finding the Fourth Proportional to 11,457.40, 17,186.78 and 3,560.66

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Solution

The fourth proportional to 11,457.40, 17,186.78 and 3,560.66 is: 5,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.40 : 17,186.78 = 3,560.66 : x
  2. Step 2: Convert to fraction form
    11,457.40/17,186.78 = 3,560.66/x
  3. Step 3: Cross multiply
    11,457.40x = 17,186.78 × 3,560.66
  4. Step 4: Simplify right side
    11,457.40x = 61,196,280.07
  5. Step 5: Solve for x
    x = 61,196,280.07/11,457.40
  6. Step 6: Final answer
    x = 5,341.20

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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.