Home / 10,670.34-16,005.66-5,122.65

Finding the Fourth Proportional to 10,670.34, 16,005.66 and 5,122.65

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Solution

The fourth proportional to 10,670.34, 16,005.66 and 5,122.65 is: 7,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.34 : 16,005.66 = 5,122.65 : x
  2. Step 2: Convert to fraction form
    10,670.34/16,005.66 = 5,122.65/x
  3. Step 3: Cross multiply
    10,670.34x = 16,005.66 × 5,122.65
  4. Step 4: Simplify right side
    10,670.34x = 81,991,394.20
  5. Step 5: Solve for x
    x = 81,991,394.20/10,670.34
  6. Step 6: Final answer
    x = 7,684.05

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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.