Home / 9,943.80-14,915.70-5,558.88

Finding the Fourth Proportional to 9,943.80, 14,915.70 and 5,558.88

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Solution

The fourth proportional to 9,943.80, 14,915.70 and 5,558.88 is: 8,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.80 : 14,915.70 = 5,558.88 : x
  2. Step 2: Convert to fraction form
    9,943.80/14,915.70 = 5,558.88/x
  3. Step 3: Cross multiply
    9,943.80x = 14,915.70 × 5,558.88
  4. Step 4: Simplify right side
    9,943.80x = 82,914,586.42
  5. Step 5: Solve for x
    x = 82,914,586.42/9,943.80
  6. Step 6: Final answer
    x = 8,338.32

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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.