Home / 10,669.13-16,007.84-4,427.58

Finding the Fourth Proportional to 10,669.13, 16,007.84 and 4,427.58

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Solution

The fourth proportional to 10,669.13, 16,007.84 and 4,427.58 is: 6,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.13 : 16,007.84 = 4,427.58 : x
  2. Step 2: Convert to fraction form
    10,669.13/16,007.84 = 4,427.58/x
  3. Step 3: Cross multiply
    10,669.13x = 16,007.84 × 4,427.58
  4. Step 4: Simplify right side
    10,669.13x = 70,875,992.23
  5. Step 5: Solve for x
    x = 70,875,992.23/10,669.13
  6. Step 6: Final answer
    x = 6,643.09

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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.