Home / 13,254.71-19,881.54-4,489.62

Finding the Fourth Proportional to 13,254.71, 19,881.54 and 4,489.62

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Solution

The fourth proportional to 13,254.71, 19,881.54 and 4,489.62 is: 6,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.71 : 19,881.54 = 4,489.62 : x
  2. Step 2: Convert to fraction form
    13,254.71/19,881.54 = 4,489.62/x
  3. Step 3: Cross multiply
    13,254.71x = 19,881.54 × 4,489.62
  4. Step 4: Simplify right side
    13,254.71x = 89,260,626.15
  5. Step 5: Solve for x
    x = 89,260,626.15/13,254.71
  6. Step 6: Final answer
    x = 6,734.26

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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.