Home / 13,527.02-18,650.21-8,738.88

Finding the Fourth Proportional to 13,527.02, 18,650.21 and 8,738.88

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Solution

The fourth proportional to 13,527.02, 18,650.21 and 8,738.88 is: 12,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.02 : 18,650.21 = 8,738.88 : x
  2. Step 2: Convert to fraction form
    13,527.02/18,650.21 = 8,738.88/x
  3. Step 3: Cross multiply
    13,527.02x = 18,650.21 × 8,738.88
  4. Step 4: Simplify right side
    13,527.02x = 162,981,947.16
  5. Step 5: Solve for x
    x = 162,981,947.16/13,527.02
  6. Step 6: Final answer
    x = 12,048.62

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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.