Home / 8,087.48-12,155.16-6,709.76

Finding the Fourth Proportional to 8,087.48, 12,155.16 and 6,709.76

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Solution

The fourth proportional to 8,087.48, 12,155.16 and 6,709.76 is: 10,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.48 : 12,155.16 = 6,709.76 : x
  2. Step 2: Convert to fraction form
    8,087.48/12,155.16 = 6,709.76/x
  3. Step 3: Cross multiply
    8,087.48x = 12,155.16 × 6,709.76
  4. Step 4: Simplify right side
    8,087.48x = 81,558,206.36
  5. Step 5: Solve for x
    x = 81,558,206.36/8,087.48
  6. Step 6: Final answer
    x = 10,084.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.