Home / 13,266.45-19,897.25-5,368.55

Finding the Fourth Proportional to 13,266.45, 19,897.25 and 5,368.55

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Solution

The fourth proportional to 13,266.45, 19,897.25 and 5,368.55 is: 8,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.45 : 19,897.25 = 5,368.55 : x
  2. Step 2: Convert to fraction form
    13,266.45/19,897.25 = 5,368.55/x
  3. Step 3: Cross multiply
    13,266.45x = 19,897.25 × 5,368.55
  4. Step 4: Simplify right side
    13,266.45x = 106,819,255.16
  5. Step 5: Solve for x
    x = 106,819,255.16/13,266.45
  6. Step 6: Final answer
    x = 8,051.83

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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.