Home / 13,497.57-18,626.67-7,529.61

Finding the Fourth Proportional to 13,497.57, 18,626.67 and 7,529.61

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Solution

The fourth proportional to 13,497.57, 18,626.67 and 7,529.61 is: 10,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.57 : 18,626.67 = 7,529.61 : x
  2. Step 2: Convert to fraction form
    13,497.57/18,626.67 = 7,529.61/x
  3. Step 3: Cross multiply
    13,497.57x = 18,626.67 × 7,529.61
  4. Step 4: Simplify right side
    13,497.57x = 140,251,560.70
  5. Step 5: Solve for x
    x = 140,251,560.70/13,497.57
  6. Step 6: Final answer
    x = 10,390.87

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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.