Home / 11,617.64-16,032.18-6,312.44

Finding the Fourth Proportional to 11,617.64, 16,032.18 and 6,312.44

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Solution

The fourth proportional to 11,617.64, 16,032.18 and 6,312.44 is: 8,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.64 : 16,032.18 = 6,312.44 : x
  2. Step 2: Convert to fraction form
    11,617.64/16,032.18 = 6,312.44/x
  3. Step 3: Cross multiply
    11,617.64x = 16,032.18 × 6,312.44
  4. Step 4: Simplify right side
    11,617.64x = 101,202,174.32
  5. Step 5: Solve for x
    x = 101,202,174.32/11,617.64
  6. Step 6: Final answer
    x = 8,711.08

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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.