Home / 12,434.11-18,650.55-4,642.31

Finding the Fourth Proportional to 12,434.11, 18,650.55 and 4,642.31

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Solution

The fourth proportional to 12,434.11, 18,650.55 and 4,642.31 is: 6,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.11 : 18,650.55 = 4,642.31 : x
  2. Step 2: Convert to fraction form
    12,434.11/18,650.55 = 4,642.31/x
  3. Step 3: Cross multiply
    12,434.11x = 18,650.55 × 4,642.31
  4. Step 4: Simplify right side
    12,434.11x = 86,581,698.81
  5. Step 5: Solve for x
    x = 86,581,698.81/12,434.11
  6. Step 6: Final answer
    x = 6,963.24

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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.