Home / 10,090.12-15,135.02-4,539.54

Finding the Fourth Proportional to 10,090.12, 15,135.02 and 4,539.54

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Solution

The fourth proportional to 10,090.12, 15,135.02 and 4,539.54 is: 6,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.12 : 15,135.02 = 4,539.54 : x
  2. Step 2: Convert to fraction form
    10,090.12/15,135.02 = 4,539.54/x
  3. Step 3: Cross multiply
    10,090.12x = 15,135.02 × 4,539.54
  4. Step 4: Simplify right side
    10,090.12x = 68,706,028.69
  5. Step 5: Solve for x
    x = 68,706,028.69/10,090.12
  6. Step 6: Final answer
    x = 6,809.24

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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.