Home / 19,045.13-28,575.89-11,253.94

Finding the Fourth Proportional to 19,045.13, 28,575.89 and 11,253.94

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Solution

The fourth proportional to 19,045.13, 28,575.89 and 11,253.94 is: 16,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.13 : 28,575.89 = 11,253.94 : x
  2. Step 2: Convert to fraction form
    19,045.13/28,575.89 = 11,253.94/x
  3. Step 3: Cross multiply
    19,045.13x = 28,575.89 × 11,253.94
  4. Step 4: Simplify right side
    19,045.13x = 321,591,266.00
  5. Step 5: Solve for x
    x = 321,591,266.00/19,045.13
  6. Step 6: Final answer
    x = 16,885.75

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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.