Home / 10,090.74-15,133.95-4,245.78

Finding the Fourth Proportional to 10,090.74, 15,133.95 and 4,245.78

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Solution

The fourth proportional to 10,090.74, 15,133.95 and 4,245.78 is: 6,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.74 : 15,133.95 = 4,245.78 : x
  2. Step 2: Convert to fraction form
    10,090.74/15,133.95 = 4,245.78/x
  3. Step 3: Cross multiply
    10,090.74x = 15,133.95 × 4,245.78
  4. Step 4: Simplify right side
    10,090.74x = 64,255,422.23
  5. Step 5: Solve for x
    x = 64,255,422.23/10,090.74
  6. Step 6: Final answer
    x = 6,367.76

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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.