Home / 14,819.08-20,450.68-8,445.53

Finding the Fourth Proportional to 14,819.08, 20,450.68 and 8,445.53

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Solution

The fourth proportional to 14,819.08, 20,450.68 and 8,445.53 is: 11,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.08 : 20,450.68 = 8,445.53 : x
  2. Step 2: Convert to fraction form
    14,819.08/20,450.68 = 8,445.53/x
  3. Step 3: Cross multiply
    14,819.08x = 20,450.68 × 8,445.53
  4. Step 4: Simplify right side
    14,819.08x = 172,716,831.46
  5. Step 5: Solve for x
    x = 172,716,831.46/14,819.08
  6. Step 6: Final answer
    x = 11,655.03

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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.