Home / 13,726.99-20,541.21-8,773.44

Finding the Fourth Proportional to 13,726.99, 20,541.21 and 8,773.44

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Solution

The fourth proportional to 13,726.99, 20,541.21 and 8,773.44 is: 13,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.99 : 20,541.21 = 8,773.44 : x
  2. Step 2: Convert to fraction form
    13,726.99/20,541.21 = 8,773.44/x
  3. Step 3: Cross multiply
    13,726.99x = 20,541.21 × 8,773.44
  4. Step 4: Simplify right side
    13,726.99x = 180,217,073.46
  5. Step 5: Solve for x
    x = 180,217,073.46/13,726.99
  6. Step 6: Final answer
    x = 13,128.67

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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.