Home / 9,911.08-14,868.96-2,891.32

Finding the Fourth Proportional to 9,911.08, 14,868.96 and 2,891.32

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Solution

The fourth proportional to 9,911.08, 14,868.96 and 2,891.32 is: 4,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.08 : 14,868.96 = 2,891.32 : x
  2. Step 2: Convert to fraction form
    9,911.08/14,868.96 = 2,891.32/x
  3. Step 3: Cross multiply
    9,911.08x = 14,868.96 × 2,891.32
  4. Step 4: Simplify right side
    9,911.08x = 42,990,921.43
  5. Step 5: Solve for x
    x = 42,990,921.43/9,911.08
  6. Step 6: Final answer
    x = 4,337.66

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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.