Home / 11,376.15-15,700.37-6,340.83

Finding the Fourth Proportional to 11,376.15, 15,700.37 and 6,340.83

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Solution

The fourth proportional to 11,376.15, 15,700.37 and 6,340.83 is: 8,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.15 : 15,700.37 = 6,340.83 : x
  2. Step 2: Convert to fraction form
    11,376.15/15,700.37 = 6,340.83/x
  3. Step 3: Cross multiply
    11,376.15x = 15,700.37 × 6,340.83
  4. Step 4: Simplify right side
    11,376.15x = 99,553,377.11
  5. Step 5: Solve for x
    x = 99,553,377.11/11,376.15
  6. Step 6: Final answer
    x = 8,751.06

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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.