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Finding the Fourth Proportional to 9,007.70, 13,493.64 and 7,050.74

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Solution

The fourth proportional to 9,007.70, 13,493.64 and 7,050.74 is: 10,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.70 : 13,493.64 = 7,050.74 : x
  2. Step 2: Convert to fraction form
    9,007.70/13,493.64 = 7,050.74/x
  3. Step 3: Cross multiply
    9,007.70x = 13,493.64 × 7,050.74
  4. Step 4: Simplify right side
    9,007.70x = 95,140,147.29
  5. Step 5: Solve for x
    x = 95,140,147.29/9,007.70
  6. Step 6: Final answer
    x = 10,562.09

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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.