Home / 12,966.14-17,893.32-7,663.62

Finding the Fourth Proportional to 12,966.14, 17,893.32 and 7,663.62

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Solution

The fourth proportional to 12,966.14, 17,893.32 and 7,663.62 is: 10,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.14 : 17,893.32 = 7,663.62 : x
  2. Step 2: Convert to fraction form
    12,966.14/17,893.32 = 7,663.62/x
  3. Step 3: Cross multiply
    12,966.14x = 17,893.32 × 7,663.62
  4. Step 4: Simplify right side
    12,966.14x = 137,127,605.02
  5. Step 5: Solve for x
    x = 137,127,605.02/12,966.14
  6. Step 6: Final answer
    x = 10,575.82

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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.