Home / 12,434.28-18,656.40-4,537.39

Finding the Fourth Proportional to 12,434.28, 18,656.40 and 4,537.39

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Solution

The fourth proportional to 12,434.28, 18,656.40 and 4,537.39 is: 6,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.28 : 18,656.40 = 4,537.39 : x
  2. Step 2: Convert to fraction form
    12,434.28/18,656.40 = 4,537.39/x
  3. Step 3: Cross multiply
    12,434.28x = 18,656.40 × 4,537.39
  4. Step 4: Simplify right side
    12,434.28x = 84,651,362.80
  5. Step 5: Solve for x
    x = 84,651,362.80/12,434.28
  6. Step 6: Final answer
    x = 6,807.90

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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.