Home / 10,230.21-15,348.56-3,656.25

Finding the Fourth Proportional to 10,230.21, 15,348.56 and 3,656.25

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Solution

The fourth proportional to 10,230.21, 15,348.56 and 3,656.25 is: 5,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.21 : 15,348.56 = 3,656.25 : x
  2. Step 2: Convert to fraction form
    10,230.21/15,348.56 = 3,656.25/x
  3. Step 3: Cross multiply
    10,230.21x = 15,348.56 × 3,656.25
  4. Step 4: Simplify right side
    10,230.21x = 56,118,154.22
  5. Step 5: Solve for x
    x = 56,118,154.22/10,230.21
  6. Step 6: Final answer
    x = 5,485.53

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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.