Home / 14,622.30-20,177.62-8,334.67

Finding the Fourth Proportional to 14,622.30, 20,177.62 and 8,334.67

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Solution

The fourth proportional to 14,622.30, 20,177.62 and 8,334.67 is: 11,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.30 : 20,177.62 = 8,334.67 : x
  2. Step 2: Convert to fraction form
    14,622.30/20,177.62 = 8,334.67/x
  3. Step 3: Cross multiply
    14,622.30x = 20,177.62 × 8,334.67
  4. Step 4: Simplify right side
    14,622.30x = 168,173,804.09
  5. Step 5: Solve for x
    x = 168,173,804.09/14,622.30
  6. Step 6: Final answer
    x = 11,501.19

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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.