Home / 10,464.80-14,447.87-6,689.49

Finding the Fourth Proportional to 10,464.80, 14,447.87 and 6,689.49

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Solution

The fourth proportional to 10,464.80, 14,447.87 and 6,689.49 is: 9,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.80 : 14,447.87 = 6,689.49 : x
  2. Step 2: Convert to fraction form
    10,464.80/14,447.87 = 6,689.49/x
  3. Step 3: Cross multiply
    10,464.80x = 14,447.87 × 6,689.49
  4. Step 4: Simplify right side
    10,464.80x = 96,648,819.34
  5. Step 5: Solve for x
    x = 96,648,819.34/10,464.80
  6. Step 6: Final answer
    x = 9,235.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.