Home / 12,411.36-17,127.23-7,102.42

Finding the Fourth Proportional to 12,411.36, 17,127.23 and 7,102.42

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Solution

The fourth proportional to 12,411.36, 17,127.23 and 7,102.42 is: 9,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.36 : 17,127.23 = 7,102.42 : x
  2. Step 2: Convert to fraction form
    12,411.36/17,127.23 = 7,102.42/x
  3. Step 3: Cross multiply
    12,411.36x = 17,127.23 × 7,102.42
  4. Step 4: Simplify right side
    12,411.36x = 121,644,695.26
  5. Step 5: Solve for x
    x = 121,644,695.26/12,411.36
  6. Step 6: Final answer
    x = 9,801.08

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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.