Home / 9,439.93-14,157.80-5,728.85

Finding the Fourth Proportional to 9,439.93, 14,157.80 and 5,728.85

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Solution

The fourth proportional to 9,439.93, 14,157.80 and 5,728.85 is: 8,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.93 : 14,157.80 = 5,728.85 : x
  2. Step 2: Convert to fraction form
    9,439.93/14,157.80 = 5,728.85/x
  3. Step 3: Cross multiply
    9,439.93x = 14,157.80 × 5,728.85
  4. Step 4: Simplify right side
    9,439.93x = 81,107,912.53
  5. Step 5: Solve for x
    x = 81,107,912.53/9,439.93
  6. Step 6: Final answer
    x = 8,592.00

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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.