Home / 9,930.34-14,882.55-4,091.32

Finding the Fourth Proportional to 9,930.34, 14,882.55 and 4,091.32

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Solution

The fourth proportional to 9,930.34, 14,882.55 and 4,091.32 is: 6,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.34 : 14,882.55 = 4,091.32 : x
  2. Step 2: Convert to fraction form
    9,930.34/14,882.55 = 4,091.32/x
  3. Step 3: Cross multiply
    9,930.34x = 14,882.55 × 4,091.32
  4. Step 4: Simplify right side
    9,930.34x = 60,889,274.47
  5. Step 5: Solve for x
    x = 60,889,274.47/9,930.34
  6. Step 6: Final answer
    x = 6,131.64

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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.