Home / 16,004.80-22,087.74-8,931.34

Finding the Fourth Proportional to 16,004.80, 22,087.74 and 8,931.34

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Solution

The fourth proportional to 16,004.80, 22,087.74 and 8,931.34 is: 12,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,004.80 : 22,087.74 = 8,931.34 : x
  2. Step 2: Convert to fraction form
    16,004.80/22,087.74 = 8,931.34/x
  3. Step 3: Cross multiply
    16,004.80x = 22,087.74 × 8,931.34
  4. Step 4: Simplify right side
    16,004.80x = 197,273,115.77
  5. Step 5: Solve for x
    x = 197,273,115.77/16,004.80
  6. Step 6: Final answer
    x = 12,325.87

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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.