Home / 15,952.96-22,014.32-8,782.72

Finding the Fourth Proportional to 15,952.96, 22,014.32 and 8,782.72

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Solution

The fourth proportional to 15,952.96, 22,014.32 and 8,782.72 is: 12,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.96 : 22,014.32 = 8,782.72 : x
  2. Step 2: Convert to fraction form
    15,952.96/22,014.32 = 8,782.72/x
  3. Step 3: Cross multiply
    15,952.96x = 22,014.32 × 8,782.72
  4. Step 4: Simplify right side
    15,952.96x = 193,345,608.55
  5. Step 5: Solve for x
    x = 193,345,608.55/15,952.96
  6. Step 6: Final answer
    x = 12,119.73

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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.