Home / 13,023.45-19,503.72-7,459.92

Finding the Fourth Proportional to 13,023.45, 19,503.72 and 7,459.92

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Solution

The fourth proportional to 13,023.45, 19,503.72 and 7,459.92 is: 11,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.45 : 19,503.72 = 7,459.92 : x
  2. Step 2: Convert to fraction form
    13,023.45/19,503.72 = 7,459.92/x
  3. Step 3: Cross multiply
    13,023.45x = 19,503.72 × 7,459.92
  4. Step 4: Simplify right side
    13,023.45x = 145,496,190.90
  5. Step 5: Solve for x
    x = 145,496,190.90/13,023.45
  6. Step 6: Final answer
    x = 11,171.86

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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.