Home / 13,266.94-19,897.60-3,904.42

Finding the Fourth Proportional to 13,266.94, 19,897.60 and 3,904.42

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Solution

The fourth proportional to 13,266.94, 19,897.60 and 3,904.42 is: 5,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.94 : 19,897.60 = 3,904.42 : x
  2. Step 2: Convert to fraction form
    13,266.94/19,897.60 = 3,904.42/x
  3. Step 3: Cross multiply
    13,266.94x = 19,897.60 × 3,904.42
  4. Step 4: Simplify right side
    13,266.94x = 77,688,587.39
  5. Step 5: Solve for x
    x = 77,688,587.39/13,266.94
  6. Step 6: Final answer
    x = 5,855.80

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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.