Home / 10,025.80-13,836.02-5,549.47

Finding the Fourth Proportional to 10,025.80, 13,836.02 and 5,549.47

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Solution

The fourth proportional to 10,025.80, 13,836.02 and 5,549.47 is: 7,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.80 : 13,836.02 = 5,549.47 : x
  2. Step 2: Convert to fraction form
    10,025.80/13,836.02 = 5,549.47/x
  3. Step 3: Cross multiply
    10,025.80x = 13,836.02 × 5,549.47
  4. Step 4: Simplify right side
    10,025.80x = 76,782,515.57
  5. Step 5: Solve for x
    x = 76,782,515.57/10,025.80
  6. Step 6: Final answer
    x = 7,658.49

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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.