Home / 10,288.64-14,198.33-5,572.92

Finding the Fourth Proportional to 10,288.64, 14,198.33 and 5,572.92

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Solution

The fourth proportional to 10,288.64, 14,198.33 and 5,572.92 is: 7,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.64 : 14,198.33 = 5,572.92 : x
  2. Step 2: Convert to fraction form
    10,288.64/14,198.33 = 5,572.92/x
  3. Step 3: Cross multiply
    10,288.64x = 14,198.33 × 5,572.92
  4. Step 4: Simplify right side
    10,288.64x = 79,126,157.22
  5. Step 5: Solve for x
    x = 79,126,157.22/10,288.64
  6. Step 6: Final answer
    x = 7,690.63

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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.