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Finding the Fourth Proportional to 9,494.40, 14,242.95 and 2,921.12

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Solution

The fourth proportional to 9,494.40, 14,242.95 and 2,921.12 is: 4,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,494.40 : 14,242.95 = 2,921.12 : x
  2. Step 2: Convert to fraction form
    9,494.40/14,242.95 = 2,921.12/x
  3. Step 3: Cross multiply
    9,494.40x = 14,242.95 × 2,921.12
  4. Step 4: Simplify right side
    9,494.40x = 41,605,366.10
  5. Step 5: Solve for x
    x = 41,605,366.10/9,494.40
  6. Step 6: Final answer
    x = 4,382.10

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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.