Home / 13,037.53-19,519.03-12,209.91

Finding the Fourth Proportional to 13,037.53, 19,519.03 and 12,209.91

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Solution

The fourth proportional to 13,037.53, 19,519.03 and 12,209.91 is: 18,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.53 : 19,519.03 = 12,209.91 : x
  2. Step 2: Convert to fraction form
    13,037.53/19,519.03 = 12,209.91/x
  3. Step 3: Cross multiply
    13,037.53x = 19,519.03 × 12,209.91
  4. Step 4: Simplify right side
    13,037.53x = 238,325,642.26
  5. Step 5: Solve for x
    x = 238,325,642.26/13,037.53
  6. Step 6: Final answer
    x = 18,279.97

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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.