Home / 9,206.28-12,711.87-6,021.72

Finding the Fourth Proportional to 9,206.28, 12,711.87 and 6,021.72

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Solution

The fourth proportional to 9,206.28, 12,711.87 and 6,021.72 is: 8,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.28 : 12,711.87 = 6,021.72 : x
  2. Step 2: Convert to fraction form
    9,206.28/12,711.87 = 6,021.72/x
  3. Step 3: Cross multiply
    9,206.28x = 12,711.87 × 6,021.72
  4. Step 4: Simplify right side
    9,206.28x = 76,547,321.82
  5. Step 5: Solve for x
    x = 76,547,321.82/9,206.28
  6. Step 6: Final answer
    x = 8,314.69

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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.