Home / 12,664.04-17,476.28-6,999.17

Finding the Fourth Proportional to 12,664.04, 17,476.28 and 6,999.17

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Solution

The fourth proportional to 12,664.04, 17,476.28 and 6,999.17 is: 9,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.04 : 17,476.28 = 6,999.17 : x
  2. Step 2: Convert to fraction form
    12,664.04/17,476.28 = 6,999.17/x
  3. Step 3: Cross multiply
    12,664.04x = 17,476.28 × 6,999.17
  4. Step 4: Simplify right side
    12,664.04x = 122,319,454.69
  5. Step 5: Solve for x
    x = 122,319,454.69/12,664.04
  6. Step 6: Final answer
    x = 9,658.80

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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.