Home / 13,254.98-19,883.18-3,394.34

Finding the Fourth Proportional to 13,254.98, 19,883.18 and 3,394.34

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Solution

The fourth proportional to 13,254.98, 19,883.18 and 3,394.34 is: 5,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.98 : 19,883.18 = 3,394.34 : x
  2. Step 2: Convert to fraction form
    13,254.98/19,883.18 = 3,394.34/x
  3. Step 3: Cross multiply
    13,254.98x = 19,883.18 × 3,394.34
  4. Step 4: Simplify right side
    13,254.98x = 67,490,156.81
  5. Step 5: Solve for x
    x = 67,490,156.81/13,254.98
  6. Step 6: Final answer
    x = 5,091.68

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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.