Home / 13,911.32-19,197.60-7,623.68

Finding the Fourth Proportional to 13,911.32, 19,197.60 and 7,623.68

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Solution

The fourth proportional to 13,911.32, 19,197.60 and 7,623.68 is: 10,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.32 : 19,197.60 = 7,623.68 : x
  2. Step 2: Convert to fraction form
    13,911.32/19,197.60 = 7,623.68/x
  3. Step 3: Cross multiply
    13,911.32x = 19,197.60 × 7,623.68
  4. Step 4: Simplify right side
    13,911.32x = 146,356,359.17
  5. Step 5: Solve for x
    x = 146,356,359.17/13,911.32
  6. Step 6: Final answer
    x = 10,520.67

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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.