Home / 10,788.99-14,887.44-6,311.85

Finding the Fourth Proportional to 10,788.99, 14,887.44 and 6,311.85

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Solution

The fourth proportional to 10,788.99, 14,887.44 and 6,311.85 is: 8,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.99 : 14,887.44 = 6,311.85 : x
  2. Step 2: Convert to fraction form
    10,788.99/14,887.44 = 6,311.85/x
  3. Step 3: Cross multiply
    10,788.99x = 14,887.44 × 6,311.85
  4. Step 4: Simplify right side
    10,788.99x = 93,967,288.16
  5. Step 5: Solve for x
    x = 93,967,288.16/10,788.99
  6. Step 6: Final answer
    x = 8,709.55

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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.