Home / 12,557.90-17,329.79-6,892.48

Finding the Fourth Proportional to 12,557.90, 17,329.79 and 6,892.48

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Solution

The fourth proportional to 12,557.90, 17,329.79 and 6,892.48 is: 9,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.90 : 17,329.79 = 6,892.48 : x
  2. Step 2: Convert to fraction form
    12,557.90/17,329.79 = 6,892.48/x
  3. Step 3: Cross multiply
    12,557.90x = 17,329.79 × 6,892.48
  4. Step 4: Simplify right side
    12,557.90x = 119,445,230.98
  5. Step 5: Solve for x
    x = 119,445,230.98/12,557.90
  6. Step 6: Final answer
    x = 9,511.56

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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.