Home / 10,356.12-14,290.70-5,879.99

Finding the Fourth Proportional to 10,356.12, 14,290.70 and 5,879.99

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Solution

The fourth proportional to 10,356.12, 14,290.70 and 5,879.99 is: 8,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.12 : 14,290.70 = 5,879.99 : x
  2. Step 2: Convert to fraction form
    10,356.12/14,290.70 = 5,879.99/x
  3. Step 3: Cross multiply
    10,356.12x = 14,290.70 × 5,879.99
  4. Step 4: Simplify right side
    10,356.12x = 84,029,179.42
  5. Step 5: Solve for x
    x = 84,029,179.42/10,356.12
  6. Step 6: Final answer
    x = 8,113.96

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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.