Home / 13,253.12-19,873.20-4,930.64

Finding the Fourth Proportional to 13,253.12, 19,873.20 and 4,930.64

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Solution

The fourth proportional to 13,253.12, 19,873.20 and 4,930.64 is: 7,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.12 : 19,873.20 = 4,930.64 : x
  2. Step 2: Convert to fraction form
    13,253.12/19,873.20 = 4,930.64/x
  3. Step 3: Cross multiply
    13,253.12x = 19,873.20 × 4,930.64
  4. Step 4: Simplify right side
    13,253.12x = 97,987,594.85
  5. Step 5: Solve for x
    x = 97,987,594.85/13,253.12
  6. Step 6: Final answer
    x = 7,393.55

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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.