Home / 13,361.30-20,031.27-6,337.78

Finding the Fourth Proportional to 13,361.30, 20,031.27 and 6,337.78

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Solution

The fourth proportional to 13,361.30, 20,031.27 and 6,337.78 is: 9,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.30 : 20,031.27 = 6,337.78 : x
  2. Step 2: Convert to fraction form
    13,361.30/20,031.27 = 6,337.78/x
  3. Step 3: Cross multiply
    13,361.30x = 20,031.27 × 6,337.78
  4. Step 4: Simplify right side
    13,361.30x = 126,953,782.38
  5. Step 5: Solve for x
    x = 126,953,782.38/13,361.30
  6. Step 6: Final answer
    x = 9,501.60

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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.