Home / 14,343.69-21,514.95-4,985.83

Finding the Fourth Proportional to 14,343.69, 21,514.95 and 4,985.83

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Solution

The fourth proportional to 14,343.69, 21,514.95 and 4,985.83 is: 7,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.69 : 21,514.95 = 4,985.83 : x
  2. Step 2: Convert to fraction form
    14,343.69/21,514.95 = 4,985.83/x
  3. Step 3: Cross multiply
    14,343.69x = 21,514.95 × 4,985.83
  4. Step 4: Simplify right side
    14,343.69x = 107,269,883.16
  5. Step 5: Solve for x
    x = 107,269,883.16/14,343.69
  6. Step 6: Final answer
    x = 7,478.54

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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.