Home / 12,067.46-16,653.28-7,031.55

Finding the Fourth Proportional to 12,067.46, 16,653.28 and 7,031.55

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Solution

The fourth proportional to 12,067.46, 16,653.28 and 7,031.55 is: 9,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.46 : 16,653.28 = 7,031.55 : x
  2. Step 2: Convert to fraction form
    12,067.46/16,653.28 = 7,031.55/x
  3. Step 3: Cross multiply
    12,067.46x = 16,653.28 × 7,031.55
  4. Step 4: Simplify right side
    12,067.46x = 117,098,353.41
  5. Step 5: Solve for x
    x = 117,098,353.41/12,067.46
  6. Step 6: Final answer
    x = 9,703.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.