Home / 15,308.64-22,962.96-4,921.92

Finding the Fourth Proportional to 15,308.64, 22,962.96 and 4,921.92

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Solution

The fourth proportional to 15,308.64, 22,962.96 and 4,921.92 is: 7,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.64 : 22,962.96 = 4,921.92 : x
  2. Step 2: Convert to fraction form
    15,308.64/22,962.96 = 4,921.92/x
  3. Step 3: Cross multiply
    15,308.64x = 22,962.96 × 4,921.92
  4. Step 4: Simplify right side
    15,308.64x = 113,021,852.08
  5. Step 5: Solve for x
    x = 113,021,852.08/15,308.64
  6. Step 6: Final answer
    x = 7,382.88

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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.