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Finding the Fourth Proportional to 13,050.14, 18,006.07 and 7,459.74

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Solution

The fourth proportional to 13,050.14, 18,006.07 and 7,459.74 is: 10,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.14 : 18,006.07 = 7,459.74 : x
  2. Step 2: Convert to fraction form
    13,050.14/18,006.07 = 7,459.74/x
  3. Step 3: Cross multiply
    13,050.14x = 18,006.07 × 7,459.74
  4. Step 4: Simplify right side
    13,050.14x = 134,320,600.62
  5. Step 5: Solve for x
    x = 134,320,600.62/13,050.14
  6. Step 6: Final answer
    x = 10,292.66

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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.