Home / 12,331.84-17,018.40-7,026.52

Finding the Fourth Proportional to 12,331.84, 17,018.40 and 7,026.52

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Solution

The fourth proportional to 12,331.84, 17,018.40 and 7,026.52 is: 9,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.84 : 17,018.40 = 7,026.52 : x
  2. Step 2: Convert to fraction form
    12,331.84/17,018.40 = 7,026.52/x
  3. Step 3: Cross multiply
    12,331.84x = 17,018.40 × 7,026.52
  4. Step 4: Simplify right side
    12,331.84x = 119,580,127.97
  5. Step 5: Solve for x
    x = 119,580,127.97/12,331.84
  6. Step 6: Final answer
    x = 9,696.86

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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.