Home / 10,348.46-14,280.49-5,632.64

Finding the Fourth Proportional to 10,348.46, 14,280.49 and 5,632.64

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Solution

The fourth proportional to 10,348.46, 14,280.49 and 5,632.64 is: 7,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.46 : 14,280.49 = 5,632.64 : x
  2. Step 2: Convert to fraction form
    10,348.46/14,280.49 = 5,632.64/x
  3. Step 3: Cross multiply
    10,348.46x = 14,280.49 × 5,632.64
  4. Step 4: Simplify right side
    10,348.46x = 80,436,759.63
  5. Step 5: Solve for x
    x = 80,436,759.63/10,348.46
  6. Step 6: Final answer
    x = 7,772.83

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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.