Home / 14,108.55-19,466.91-8,138.67

Finding the Fourth Proportional to 14,108.55, 19,466.91 and 8,138.67

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Solution

The fourth proportional to 14,108.55, 19,466.91 and 8,138.67 is: 11,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.55 : 19,466.91 = 8,138.67 : x
  2. Step 2: Convert to fraction form
    14,108.55/19,466.91 = 8,138.67/x
  3. Step 3: Cross multiply
    14,108.55x = 19,466.91 × 8,138.67
  4. Step 4: Simplify right side
    14,108.55x = 158,434,756.41
  5. Step 5: Solve for x
    x = 158,434,756.41/14,108.55
  6. Step 6: Final answer
    x = 11,229.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.