Home / 17,511.10-26,268.29-6,978.56

Finding the Fourth Proportional to 17,511.10, 26,268.29 and 6,978.56

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Solution

The fourth proportional to 17,511.10, 26,268.29 and 6,978.56 is: 10,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.10 : 26,268.29 = 6,978.56 : x
  2. Step 2: Convert to fraction form
    17,511.10/26,268.29 = 6,978.56/x
  3. Step 3: Cross multiply
    17,511.10x = 26,268.29 × 6,978.56
  4. Step 4: Simplify right side
    17,511.10x = 183,314,837.86
  5. Step 5: Solve for x
    x = 183,314,837.86/17,511.10
  6. Step 6: Final answer
    x = 10,468.49

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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.