Home / 10,550.88-15,814.08-5,356.80

Finding the Fourth Proportional to 10,550.88, 15,814.08 and 5,356.80

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Solution

The fourth proportional to 10,550.88, 15,814.08 and 5,356.80 is: 8,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.88 : 15,814.08 = 5,356.80 : x
  2. Step 2: Convert to fraction form
    10,550.88/15,814.08 = 5,356.80/x
  3. Step 3: Cross multiply
    10,550.88x = 15,814.08 × 5,356.80
  4. Step 4: Simplify right side
    10,550.88x = 84,712,863.74
  5. Step 5: Solve for x
    x = 84,712,863.74/10,550.88
  6. Step 6: Final answer
    x = 8,028.99

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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.