Home / 12,557.43-17,329.28-6,892.22

Finding the Fourth Proportional to 12,557.43, 17,329.28 and 6,892.22

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Solution

The fourth proportional to 12,557.43, 17,329.28 and 6,892.22 is: 9,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.43 : 17,329.28 = 6,892.22 : x
  2. Step 2: Convert to fraction form
    12,557.43/17,329.28 = 6,892.22/x
  3. Step 3: Cross multiply
    12,557.43x = 17,329.28 × 6,892.22
  4. Step 4: Simplify right side
    12,557.43x = 119,437,089.09
  5. Step 5: Solve for x
    x = 119,437,089.09/12,557.43
  6. Step 6: Final answer
    x = 9,511.27

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Half scale
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Double scale
Find fourth proportional to 12,558.43, 17,330.66 and 6,893.22
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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.