Home / 10,424.44-14,385.77-5,708.80

Finding the Fourth Proportional to 10,424.44, 14,385.77 and 5,708.80

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Solution

The fourth proportional to 10,424.44, 14,385.77 and 5,708.80 is: 7,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.44 : 14,385.77 = 5,708.80 : x
  2. Step 2: Convert to fraction form
    10,424.44/14,385.77 = 5,708.80/x
  3. Step 3: Cross multiply
    10,424.44x = 14,385.77 × 5,708.80
  4. Step 4: Simplify right side
    10,424.44x = 82,125,440.68
  5. Step 5: Solve for x
    x = 82,125,440.68/10,424.44
  6. Step 6: Final answer
    x = 7,878.17

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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.