Home / 9,921.64-14,876.13-4,296.28

Finding the Fourth Proportional to 9,921.64, 14,876.13 and 4,296.28

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Solution

The fourth proportional to 9,921.64, 14,876.13 and 4,296.28 is: 6,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.64 : 14,876.13 = 4,296.28 : x
  2. Step 2: Convert to fraction form
    9,921.64/14,876.13 = 4,296.28/x
  3. Step 3: Cross multiply
    9,921.64x = 14,876.13 × 4,296.28
  4. Step 4: Simplify right side
    9,921.64x = 63,912,019.80
  5. Step 5: Solve for x
    x = 63,912,019.80/9,921.64
  6. Step 6: Final answer
    x = 6,441.68

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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.