Home / 13,622.63-20,423.80-5,727.46

Finding the Fourth Proportional to 13,622.63, 20,423.80 and 5,727.46

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Solution

The fourth proportional to 13,622.63, 20,423.80 and 5,727.46 is: 8,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.63 : 20,423.80 = 5,727.46 : x
  2. Step 2: Convert to fraction form
    13,622.63/20,423.80 = 5,727.46/x
  3. Step 3: Cross multiply
    13,622.63x = 20,423.80 × 5,727.46
  4. Step 4: Simplify right side
    13,622.63x = 116,976,366.79
  5. Step 5: Solve for x
    x = 116,976,366.79/13,622.63
  6. Step 6: Final answer
    x = 8,586.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.