Home / 12,371.10-18,559.40-6,134.51

Finding the Fourth Proportional to 12,371.10, 18,559.40 and 6,134.51

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Solution

The fourth proportional to 12,371.10, 18,559.40 and 6,134.51 is: 9,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.10 : 18,559.40 = 6,134.51 : x
  2. Step 2: Convert to fraction form
    12,371.10/18,559.40 = 6,134.51/x
  3. Step 3: Cross multiply
    12,371.10x = 18,559.40 × 6,134.51
  4. Step 4: Simplify right side
    12,371.10x = 113,852,701.42
  5. Step 5: Solve for x
    x = 113,852,701.42/12,371.10
  6. Step 6: Final answer
    x = 9,203.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.