Home / 9,819.86-14,721.40-4,268.98

Finding the Fourth Proportional to 9,819.86, 14,721.40 and 4,268.98

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Solution

The fourth proportional to 9,819.86, 14,721.40 and 4,268.98 is: 6,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.86 : 14,721.40 = 4,268.98 : x
  2. Step 2: Convert to fraction form
    9,819.86/14,721.40 = 4,268.98/x
  3. Step 3: Cross multiply
    9,819.86x = 14,721.40 × 4,268.98
  4. Step 4: Simplify right side
    9,819.86x = 62,845,320.49
  5. Step 5: Solve for x
    x = 62,845,320.49/9,819.86
  6. Step 6: Final answer
    x = 6,399.82

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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.