Home / 10,288.80-14,199.75-5,812.74

Finding the Fourth Proportional to 10,288.80, 14,199.75 and 5,812.74

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Solution

The fourth proportional to 10,288.80, 14,199.75 and 5,812.74 is: 8,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.80 : 14,199.75 = 5,812.74 : x
  2. Step 2: Convert to fraction form
    10,288.80/14,199.75 = 5,812.74/x
  3. Step 3: Cross multiply
    10,288.80x = 14,199.75 × 5,812.74
  4. Step 4: Simplify right side
    10,288.80x = 82,539,454.82
  5. Step 5: Solve for x
    x = 82,539,454.82/10,288.80
  6. Step 6: Final answer
    x = 8,022.26

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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.