Home / 14,911.32-20,581.20-9,242.64

Finding the Fourth Proportional to 14,911.32, 20,581.20 and 9,242.64

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Solution

The fourth proportional to 14,911.32, 20,581.20 and 9,242.64 is: 12,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.32 : 20,581.20 = 9,242.64 : x
  2. Step 2: Convert to fraction form
    14,911.32/20,581.20 = 9,242.64/x
  3. Step 3: Cross multiply
    14,911.32x = 20,581.20 × 9,242.64
  4. Step 4: Simplify right side
    14,911.32x = 190,224,622.37
  5. Step 5: Solve for x
    x = 190,224,622.37/14,911.32
  6. Step 6: Final answer
    x = 12,757.06

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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.