Home / 10,135.64-15,204.36-3,897.20

Finding the Fourth Proportional to 10,135.64, 15,204.36 and 3,897.20

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Solution

The fourth proportional to 10,135.64, 15,204.36 and 3,897.20 is: 5,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.64 : 15,204.36 = 3,897.20 : x
  2. Step 2: Convert to fraction form
    10,135.64/15,204.36 = 3,897.20/x
  3. Step 3: Cross multiply
    10,135.64x = 15,204.36 × 3,897.20
  4. Step 4: Simplify right side
    10,135.64x = 59,254,431.79
  5. Step 5: Solve for x
    x = 59,254,431.79/10,135.64
  6. Step 6: Final answer
    x = 5,846.15

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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.