Home / 9,490.39-13,096.74-5,298.64

Finding the Fourth Proportional to 9,490.39, 13,096.74 and 5,298.64

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Solution

The fourth proportional to 9,490.39, 13,096.74 and 5,298.64 is: 7,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.39 : 13,096.74 = 5,298.64 : x
  2. Step 2: Convert to fraction form
    9,490.39/13,096.74 = 5,298.64/x
  3. Step 3: Cross multiply
    9,490.39x = 13,096.74 × 5,298.64
  4. Step 4: Simplify right side
    9,490.39x = 69,394,910.43
  5. Step 5: Solve for x
    x = 69,394,910.43/9,490.39
  6. Step 6: Final answer
    x = 7,312.12

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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.