Home / 13,266.78-19,897.29-4,501.50

Finding the Fourth Proportional to 13,266.78, 19,897.29 and 4,501.50

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Solution

The fourth proportional to 13,266.78, 19,897.29 and 4,501.50 is: 6,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.78 : 19,897.29 = 4,501.50 : x
  2. Step 2: Convert to fraction form
    13,266.78/19,897.29 = 4,501.50/x
  3. Step 3: Cross multiply
    13,266.78x = 19,897.29 × 4,501.50
  4. Step 4: Simplify right side
    13,266.78x = 89,567,650.94
  5. Step 5: Solve for x
    x = 89,567,650.94/13,266.78
  6. Step 6: Final answer
    x = 6,751.27

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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.