Home / 13,299.36-18,353.17-7,330.90

Finding the Fourth Proportional to 13,299.36, 18,353.17 and 7,330.90

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Solution

The fourth proportional to 13,299.36, 18,353.17 and 7,330.90 is: 10,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.36 : 18,353.17 = 7,330.90 : x
  2. Step 2: Convert to fraction form
    13,299.36/18,353.17 = 7,330.90/x
  3. Step 3: Cross multiply
    13,299.36x = 18,353.17 × 7,330.90
  4. Step 4: Simplify right side
    13,299.36x = 134,545,162.19
  5. Step 5: Solve for x
    x = 134,545,162.19/13,299.36
  6. Step 6: Final answer
    x = 10,116.67

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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.