Home / 15,956.47-22,020.32-8,883.37

Finding the Fourth Proportional to 15,956.47, 22,020.32 and 8,883.37

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Solution

The fourth proportional to 15,956.47, 22,020.32 and 8,883.37 is: 12,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.47 : 22,020.32 = 8,883.37 : x
  2. Step 2: Convert to fraction form
    15,956.47/22,020.32 = 8,883.37/x
  3. Step 3: Cross multiply
    15,956.47x = 22,020.32 × 8,883.37
  4. Step 4: Simplify right side
    15,956.47x = 195,614,605.66
  5. Step 5: Solve for x
    x = 195,614,605.66/15,956.47
  6. Step 6: Final answer
    x = 12,259.27

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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.