Home / 13,089.20-19,633.45-4,205.13

Finding the Fourth Proportional to 13,089.20, 19,633.45 and 4,205.13

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Solution

The fourth proportional to 13,089.20, 19,633.45 and 4,205.13 is: 6,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.20 : 19,633.45 = 4,205.13 : x
  2. Step 2: Convert to fraction form
    13,089.20/19,633.45 = 4,205.13/x
  3. Step 3: Cross multiply
    13,089.20x = 19,633.45 × 4,205.13
  4. Step 4: Simplify right side
    13,089.20x = 82,561,291.11
  5. Step 5: Solve for x
    x = 82,561,291.11/13,089.20
  6. Step 6: Final answer
    x = 6,307.59

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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.