Home / 13,954.55-19,260.60-7,989.67

Finding the Fourth Proportional to 13,954.55, 19,260.60 and 7,989.67

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Solution

The fourth proportional to 13,954.55, 19,260.60 and 7,989.67 is: 11,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.55 : 19,260.60 = 7,989.67 : x
  2. Step 2: Convert to fraction form
    13,954.55/19,260.60 = 7,989.67/x
  3. Step 3: Cross multiply
    13,954.55x = 19,260.60 × 7,989.67
  4. Step 4: Simplify right side
    13,954.55x = 153,885,838.00
  5. Step 5: Solve for x
    x = 153,885,838.00/13,954.55
  6. Step 6: Final answer
    x = 11,027.65

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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.