Home / 9,373.84-12,936-5,182.24

Finding the Fourth Proportional to 9,373.84, 12,936 and 5,182.24

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Solution

The fourth proportional to 9,373.84, 12,936 and 5,182.24 is: 7,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.84 : 12,936 = 5,182.24 : x
  2. Step 2: Convert to fraction form
    9,373.84/12,936 = 5,182.24/x
  3. Step 3: Cross multiply
    9,373.84x = 12,936 × 5,182.24
  4. Step 4: Simplify right side
    9,373.84x = 67,037,456.64
  5. Step 5: Solve for x
    x = 67,037,456.64/9,373.84
  6. Step 6: Final answer
    x = 7,151.55

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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.