Home / 11,578.68-15,977.66-6,543.32

Finding the Fourth Proportional to 11,578.68, 15,977.66 and 6,543.32

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Solution

The fourth proportional to 11,578.68, 15,977.66 and 6,543.32 is: 9,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.68 : 15,977.66 = 6,543.32 : x
  2. Step 2: Convert to fraction form
    11,578.68/15,977.66 = 6,543.32/x
  3. Step 3: Cross multiply
    11,578.68x = 15,977.66 × 6,543.32
  4. Step 4: Simplify right side
    11,578.68x = 104,546,829.63
  5. Step 5: Solve for x
    x = 104,546,829.63/11,578.68
  6. Step 6: Final answer
    x = 9,029.25

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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.