Home / 9,943.10-13,721.30-5,466.80

Finding the Fourth Proportional to 9,943.10, 13,721.30 and 5,466.80

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Solution

The fourth proportional to 9,943.10, 13,721.30 and 5,466.80 is: 7,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.10 : 13,721.30 = 5,466.80 : x
  2. Step 2: Convert to fraction form
    9,943.10/13,721.30 = 5,466.80/x
  3. Step 3: Cross multiply
    9,943.10x = 13,721.30 × 5,466.80
  4. Step 4: Simplify right side
    9,943.10x = 75,011,602.84
  5. Step 5: Solve for x
    x = 75,011,602.84/9,943.10
  6. Step 6: Final answer
    x = 7,544.09

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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.