Home / 14,664.18-20,236.32-8,290.67

Finding the Fourth Proportional to 14,664.18, 20,236.32 and 8,290.67

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Solution

The fourth proportional to 14,664.18, 20,236.32 and 8,290.67 is: 11,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.18 : 20,236.32 = 8,290.67 : x
  2. Step 2: Convert to fraction form
    14,664.18/20,236.32 = 8,290.67/x
  3. Step 3: Cross multiply
    14,664.18x = 20,236.32 × 8,290.67
  4. Step 4: Simplify right side
    14,664.18x = 167,772,549.95
  5. Step 5: Solve for x
    x = 167,772,549.95/14,664.18
  6. Step 6: Final answer
    x = 11,440.98

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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.