Home / 15,568.82-21,484.77-8,495.12

Finding the Fourth Proportional to 15,568.82, 21,484.77 and 8,495.12

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Solution

The fourth proportional to 15,568.82, 21,484.77 and 8,495.12 is: 11,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.82 : 21,484.77 = 8,495.12 : x
  2. Step 2: Convert to fraction form
    15,568.82/21,484.77 = 8,495.12/x
  3. Step 3: Cross multiply
    15,568.82x = 21,484.77 × 8,495.12
  4. Step 4: Simplify right side
    15,568.82x = 182,515,699.32
  5. Step 5: Solve for x
    x = 182,515,699.32/15,568.82
  6. Step 6: Final answer
    x = 11,723.16

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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.