Home / 14,919.92-20,586.76-9,256.04

Finding the Fourth Proportional to 14,919.92, 20,586.76 and 9,256.04

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Solution

The fourth proportional to 14,919.92, 20,586.76 and 9,256.04 is: 12,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.92 : 20,586.76 = 9,256.04 : x
  2. Step 2: Convert to fraction form
    14,919.92/20,586.76 = 9,256.04/x
  3. Step 3: Cross multiply
    14,919.92x = 20,586.76 × 9,256.04
  4. Step 4: Simplify right side
    14,919.92x = 190,551,874.03
  5. Step 5: Solve for x
    x = 190,551,874.03/14,919.92
  6. Step 6: Final answer
    x = 12,771.64

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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.