Home / 12,254.17-16,910.67-6,665.17

Finding the Fourth Proportional to 12,254.17, 16,910.67 and 6,665.17

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Solution

The fourth proportional to 12,254.17, 16,910.67 and 6,665.17 is: 9,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.17 : 16,910.67 = 6,665.17 : x
  2. Step 2: Convert to fraction form
    12,254.17/16,910.67 = 6,665.17/x
  3. Step 3: Cross multiply
    12,254.17x = 16,910.67 × 6,665.17
  4. Step 4: Simplify right side
    12,254.17x = 112,712,490.36
  5. Step 5: Solve for x
    x = 112,712,490.36/12,254.17
  6. Step 6: Final answer
    x = 9,197.89

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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.