Home / 10,376.45-14,319.41-5,660.63

Finding the Fourth Proportional to 10,376.45, 14,319.41 and 5,660.63

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Solution

The fourth proportional to 10,376.45, 14,319.41 and 5,660.63 is: 7,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.45 : 14,319.41 = 5,660.63 : x
  2. Step 2: Convert to fraction form
    10,376.45/14,319.41 = 5,660.63/x
  3. Step 3: Cross multiply
    10,376.45x = 14,319.41 × 5,660.63
  4. Step 4: Simplify right side
    10,376.45x = 81,056,781.93
  5. Step 5: Solve for x
    x = 81,056,781.93/10,376.45
  6. Step 6: Final answer
    x = 7,811.61

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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.