Home / 11,677.10-17,505.92-7,970.13

Finding the Fourth Proportional to 11,677.10, 17,505.92 and 7,970.13

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Solution

The fourth proportional to 11,677.10, 17,505.92 and 7,970.13 is: 11,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.10 : 17,505.92 = 7,970.13 : x
  2. Step 2: Convert to fraction form
    11,677.10/17,505.92 = 7,970.13/x
  3. Step 3: Cross multiply
    11,677.10x = 17,505.92 × 7,970.13
  4. Step 4: Simplify right side
    11,677.10x = 139,524,478.09
  5. Step 5: Solve for x
    x = 139,524,478.09/11,677.10
  6. Step 6: Final answer
    x = 11,948.56

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1.5x scale

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.