Home / 13,265.57-19,885.91-4,494.29

Finding the Fourth Proportional to 13,265.57, 19,885.91 and 4,494.29

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Solution

The fourth proportional to 13,265.57, 19,885.91 and 4,494.29 is: 6,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.57 : 19,885.91 = 4,494.29 : x
  2. Step 2: Convert to fraction form
    13,265.57/19,885.91 = 4,494.29/x
  3. Step 3: Cross multiply
    13,265.57x = 19,885.91 × 4,494.29
  4. Step 4: Simplify right side
    13,265.57x = 89,372,924.55
  5. Step 5: Solve for x
    x = 89,372,924.55/13,265.57
  6. Step 6: Final answer
    x = 6,737.21

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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.