Home / 11,005.72-16,508.44-5,158.19

Finding the Fourth Proportional to 11,005.72, 16,508.44 and 5,158.19

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Solution

The fourth proportional to 11,005.72, 16,508.44 and 5,158.19 is: 7,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.72 : 16,508.44 = 5,158.19 : x
  2. Step 2: Convert to fraction form
    11,005.72/16,508.44 = 5,158.19/x
  3. Step 3: Cross multiply
    11,005.72x = 16,508.44 × 5,158.19
  4. Step 4: Simplify right side
    11,005.72x = 85,153,670.12
  5. Step 5: Solve for x
    x = 85,153,670.12/11,005.72
  6. Step 6: Final answer
    x = 7,737.22

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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.