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Finding the Fourth Proportional to 9,133.56, 12,603.04 and 5,099.89

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Solution

The fourth proportional to 9,133.56, 12,603.04 and 5,099.89 is: 7,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.56 : 12,603.04 = 5,099.89 : x
  2. Step 2: Convert to fraction form
    9,133.56/12,603.04 = 5,099.89/x
  3. Step 3: Cross multiply
    9,133.56x = 12,603.04 × 5,099.89
  4. Step 4: Simplify right side
    9,133.56x = 64,274,149.36
  5. Step 5: Solve for x
    x = 64,274,149.36/9,133.56
  6. Step 6: Final answer
    x = 7,037.14

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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.