Home / 10,669.23-16,001.42-2,878.65

Finding the Fourth Proportional to 10,669.23, 16,001.42 and 2,878.65

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Solution

The fourth proportional to 10,669.23, 16,001.42 and 2,878.65 is: 4,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.23 : 16,001.42 = 2,878.65 : x
  2. Step 2: Convert to fraction form
    10,669.23/16,001.42 = 2,878.65/x
  3. Step 3: Cross multiply
    10,669.23x = 16,001.42 × 2,878.65
  4. Step 4: Simplify right side
    10,669.23x = 46,062,473.29
  5. Step 5: Solve for x
    x = 46,062,473.29/10,669.23
  6. Step 6: Final answer
    x = 4,317.32

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1.5x scale

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.