Home / 14,143.72-21,214.50-4,784.52

Finding the Fourth Proportional to 14,143.72, 21,214.50 and 4,784.52

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Solution

The fourth proportional to 14,143.72, 21,214.50 and 4,784.52 is: 7,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.72 : 21,214.50 = 4,784.52 : x
  2. Step 2: Convert to fraction form
    14,143.72/21,214.50 = 4,784.52/x
  3. Step 3: Cross multiply
    14,143.72x = 21,214.50 × 4,784.52
  4. Step 4: Simplify right side
    14,143.72x = 101,501,199.54
  5. Step 5: Solve for x
    x = 101,501,199.54/14,143.72
  6. Step 6: Final answer
    x = 7,176.41

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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.