Home / 9,115.41-13,666.80-4,662.15

Finding the Fourth Proportional to 9,115.41, 13,666.80 and 4,662.15

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Solution

The fourth proportional to 9,115.41, 13,666.80 and 4,662.15 is: 6,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.41 : 13,666.80 = 4,662.15 : x
  2. Step 2: Convert to fraction form
    9,115.41/13,666.80 = 4,662.15/x
  3. Step 3: Cross multiply
    9,115.41x = 13,666.80 × 4,662.15
  4. Step 4: Simplify right side
    9,115.41x = 63,716,671.62
  5. Step 5: Solve for x
    x = 63,716,671.62/9,115.41
  6. Step 6: Final answer
    x = 6,990.00

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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.