Home / 13,102.24-19,558.22-12,126.48

Finding the Fourth Proportional to 13,102.24, 19,558.22 and 12,126.48

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Solution

The fourth proportional to 13,102.24, 19,558.22 and 12,126.48 is: 18,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.24 : 19,558.22 = 12,126.48 : x
  2. Step 2: Convert to fraction form
    13,102.24/19,558.22 = 12,126.48/x
  3. Step 3: Cross multiply
    13,102.24x = 19,558.22 × 12,126.48
  4. Step 4: Simplify right side
    13,102.24x = 237,172,363.67
  5. Step 5: Solve for x
    x = 237,172,363.67/13,102.24
  6. Step 6: Final answer
    x = 18,101.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.