Home / 8,089.08-12,152-6,981.94

Finding the Fourth Proportional to 8,089.08, 12,152 and 6,981.94

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Solution

The fourth proportional to 8,089.08, 12,152 and 6,981.94 is: 10,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.08 : 12,152 = 6,981.94 : x
  2. Step 2: Convert to fraction form
    8,089.08/12,152 = 6,981.94/x
  3. Step 3: Cross multiply
    8,089.08x = 12,152 × 6,981.94
  4. Step 4: Simplify right side
    8,089.08x = 84,844,534.88
  5. Step 5: Solve for x
    x = 84,844,534.88/8,089.08
  6. Step 6: Final answer
    x = 10,488.77

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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.