Home / 11,114.46-15,337.08-6,399.05

Finding the Fourth Proportional to 11,114.46, 15,337.08 and 6,399.05

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Solution

The fourth proportional to 11,114.46, 15,337.08 and 6,399.05 is: 8,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.46 : 15,337.08 = 6,399.05 : x
  2. Step 2: Convert to fraction form
    11,114.46/15,337.08 = 6,399.05/x
  3. Step 3: Cross multiply
    11,114.46x = 15,337.08 × 6,399.05
  4. Step 4: Simplify right side
    11,114.46x = 98,142,665.09
  5. Step 5: Solve for x
    x = 98,142,665.09/11,114.46
  6. Step 6: Final answer
    x = 8,830.18

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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.