Home / 14,031.86-21,054.27-6,245.78

Finding the Fourth Proportional to 14,031.86, 21,054.27 and 6,245.78

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Solution

The fourth proportional to 14,031.86, 21,054.27 and 6,245.78 is: 9,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.86 : 21,054.27 = 6,245.78 : x
  2. Step 2: Convert to fraction form
    14,031.86/21,054.27 = 6,245.78/x
  3. Step 3: Cross multiply
    14,031.86x = 21,054.27 × 6,245.78
  4. Step 4: Simplify right side
    14,031.86x = 131,500,338.48
  5. Step 5: Solve for x
    x = 131,500,338.48/14,031.86
  6. Step 6: Final answer
    x = 9,371.55

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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.