Home / 10,140.41-15,204.03-4,221.36

Finding the Fourth Proportional to 10,140.41, 15,204.03 and 4,221.36

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Solution

The fourth proportional to 10,140.41, 15,204.03 and 4,221.36 is: 6,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.41 : 15,204.03 = 4,221.36 : x
  2. Step 2: Convert to fraction form
    10,140.41/15,204.03 = 4,221.36/x
  3. Step 3: Cross multiply
    10,140.41x = 15,204.03 × 4,221.36
  4. Step 4: Simplify right side
    10,140.41x = 64,181,684.08
  5. Step 5: Solve for x
    x = 64,181,684.08/10,140.41
  6. Step 6: Final answer
    x = 6,329.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.