Home / 10,340.88-14,270.64-5,625.48

Finding the Fourth Proportional to 10,340.88, 14,270.64 and 5,625.48

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Solution

The fourth proportional to 10,340.88, 14,270.64 and 5,625.48 is: 7,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.88 : 14,270.64 = 5,625.48 : x
  2. Step 2: Convert to fraction form
    10,340.88/14,270.64 = 5,625.48/x
  3. Step 3: Cross multiply
    10,340.88x = 14,270.64 × 5,625.48
  4. Step 4: Simplify right side
    10,340.88x = 80,279,199.91
  5. Step 5: Solve for x
    x = 80,279,199.91/10,340.88
  6. Step 6: Final answer
    x = 7,763.29

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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.