Home / 11,554.46-15,945.15-6,518.66

Finding the Fourth Proportional to 11,554.46, 15,945.15 and 6,518.66

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Solution

The fourth proportional to 11,554.46, 15,945.15 and 6,518.66 is: 8,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.46 : 15,945.15 = 6,518.66 : x
  2. Step 2: Convert to fraction form
    11,554.46/15,945.15 = 6,518.66/x
  3. Step 3: Cross multiply
    11,554.46x = 15,945.15 × 6,518.66
  4. Step 4: Simplify right side
    11,554.46x = 103,940,931.77
  5. Step 5: Solve for x
    x = 103,940,931.77/11,554.46
  6. Step 6: Final answer
    x = 8,995.75

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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.