Home / 10,365.55-14,304.40-5,649.79

Finding the Fourth Proportional to 10,365.55, 14,304.40 and 5,649.79

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Solution

The fourth proportional to 10,365.55, 14,304.40 and 5,649.79 is: 7,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.55 : 14,304.40 = 5,649.79 : x
  2. Step 2: Convert to fraction form
    10,365.55/14,304.40 = 5,649.79/x
  3. Step 3: Cross multiply
    10,365.55x = 14,304.40 × 5,649.79
  4. Step 4: Simplify right side
    10,365.55x = 80,816,856.08
  5. Step 5: Solve for x
    x = 80,816,856.08/10,365.55
  6. Step 6: Final answer
    x = 7,796.68

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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.