Home / 9,773.28-14,660.64-5,392.80

Finding the Fourth Proportional to 9,773.28, 14,660.64 and 5,392.80

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Solution

The fourth proportional to 9,773.28, 14,660.64 and 5,392.80 is: 8,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773.28 : 14,660.64 = 5,392.80 : x
  2. Step 2: Convert to fraction form
    9,773.28/14,660.64 = 5,392.80/x
  3. Step 3: Cross multiply
    9,773.28x = 14,660.64 × 5,392.80
  4. Step 4: Simplify right side
    9,773.28x = 79,061,899.39
  5. Step 5: Solve for x
    x = 79,061,899.39/9,773.28
  6. Step 6: Final answer
    x = 8,089.60

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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.