Home / 11,153.58-15,391.81-6,049.02

Finding the Fourth Proportional to 11,153.58, 15,391.81 and 6,049.02

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Solution

The fourth proportional to 11,153.58, 15,391.81 and 6,049.02 is: 8,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.58 : 15,391.81 = 6,049.02 : x
  2. Step 2: Convert to fraction form
    11,153.58/15,391.81 = 6,049.02/x
  3. Step 3: Cross multiply
    11,153.58x = 15,391.81 × 6,049.02
  4. Step 4: Simplify right side
    11,153.58x = 93,105,366.53
  5. Step 5: Solve for x
    x = 93,105,366.53/11,153.58
  6. Step 6: Final answer
    x = 8,347.58

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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.