Home / 13,723.46-20,618.04-8,802.72

Finding the Fourth Proportional to 13,723.46, 20,618.04 and 8,802.72

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Solution

The fourth proportional to 13,723.46, 20,618.04 and 8,802.72 is: 13,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.46 : 20,618.04 = 8,802.72 : x
  2. Step 2: Convert to fraction form
    13,723.46/20,618.04 = 8,802.72/x
  3. Step 3: Cross multiply
    13,723.46x = 20,618.04 × 8,802.72
  4. Step 4: Simplify right side
    13,723.46x = 181,494,833.07
  5. Step 5: Solve for x
    x = 181,494,833.07/13,723.46
  6. Step 6: Final answer
    x = 13,225.15

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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.