Home / 13,254.53-19,881.06-3,393.18

Finding the Fourth Proportional to 13,254.53, 19,881.06 and 3,393.18

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Solution

The fourth proportional to 13,254.53, 19,881.06 and 3,393.18 is: 5,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.53 : 19,881.06 = 3,393.18 : x
  2. Step 2: Convert to fraction form
    13,254.53/19,881.06 = 3,393.18/x
  3. Step 3: Cross multiply
    13,254.53x = 19,881.06 × 3,393.18
  4. Step 4: Simplify right side
    13,254.53x = 67,460,015.17
  5. Step 5: Solve for x
    x = 67,460,015.17/13,254.53
  6. Step 6: Final answer
    x = 5,089.58

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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.