Home / 12,434.09-18,649.30-4,534.76

Finding the Fourth Proportional to 12,434.09, 18,649.30 and 4,534.76

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Solution

The fourth proportional to 12,434.09, 18,649.30 and 4,534.76 is: 6,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.09 : 18,649.30 = 4,534.76 : x
  2. Step 2: Convert to fraction form
    12,434.09/18,649.30 = 4,534.76/x
  3. Step 3: Cross multiply
    12,434.09x = 18,649.30 × 4,534.76
  4. Step 4: Simplify right side
    12,434.09x = 84,569,995.08
  5. Step 5: Solve for x
    x = 84,569,995.08/12,434.09
  6. Step 6: Final answer
    x = 6,801.46

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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.