Home / 12,411-17,127.18-6,822.12

Finding the Fourth Proportional to 12,411, 17,127.18 and 6,822.12

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Solution

The fourth proportional to 12,411, 17,127.18 and 6,822.12 is: 9,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411 : 17,127.18 = 6,822.12 : x
  2. Step 2: Convert to fraction form
    12,411/17,127.18 = 6,822.12/x
  3. Step 3: Cross multiply
    12,411x = 17,127.18 × 6,822.12
  4. Step 4: Simplify right side
    12,411x = 116,843,677.22
  5. Step 5: Solve for x
    x = 116,843,677.22/12,411
  6. Step 6: Final answer
    x = 9,414.53

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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.