Home / 11,318.15-15,620.91-6,283.98

Finding the Fourth Proportional to 11,318.15, 15,620.91 and 6,283.98

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Solution

The fourth proportional to 11,318.15, 15,620.91 and 6,283.98 is: 8,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.15 : 15,620.91 = 6,283.98 : x
  2. Step 2: Convert to fraction form
    11,318.15/15,620.91 = 6,283.98/x
  3. Step 3: Cross multiply
    11,318.15x = 15,620.91 × 6,283.98
  4. Step 4: Simplify right side
    11,318.15x = 98,161,486.02
  5. Step 5: Solve for x
    x = 98,161,486.02/11,318.15
  6. Step 6: Final answer
    x = 8,672.93

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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.