Home / 16,005.28-22,087.74-8,931.55

Finding the Fourth Proportional to 16,005.28, 22,087.74 and 8,931.55

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Solution

The fourth proportional to 16,005.28, 22,087.74 and 8,931.55 is: 12,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.28 : 22,087.74 = 8,931.55 : x
  2. Step 2: Convert to fraction form
    16,005.28/22,087.74 = 8,931.55/x
  3. Step 3: Cross multiply
    16,005.28x = 22,087.74 × 8,931.55
  4. Step 4: Simplify right side
    16,005.28x = 197,277,754.20
  5. Step 5: Solve for x
    x = 197,277,754.20/16,005.28
  6. Step 6: Final answer
    x = 12,325.79

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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.