Home / 13,148.32-19,728.24-6,996.64

Finding the Fourth Proportional to 13,148.32, 19,728.24 and 6,996.64

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Solution

The fourth proportional to 13,148.32, 19,728.24 and 6,996.64 is: 10,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.32 : 19,728.24 = 6,996.64 : x
  2. Step 2: Convert to fraction form
    13,148.32/19,728.24 = 6,996.64/x
  3. Step 3: Cross multiply
    13,148.32x = 19,728.24 × 6,996.64
  4. Step 4: Simplify right side
    13,148.32x = 138,031,393.11
  5. Step 5: Solve for x
    x = 138,031,393.11/13,148.32
  6. Step 6: Final answer
    x = 10,498.03

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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.