Home / 13,954.69-20,927.98-5,187.52

Finding the Fourth Proportional to 13,954.69, 20,927.98 and 5,187.52

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Solution

The fourth proportional to 13,954.69, 20,927.98 and 5,187.52 is: 7,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.69 : 20,927.98 = 5,187.52 : x
  2. Step 2: Convert to fraction form
    13,954.69/20,927.98 = 5,187.52/x
  3. Step 3: Cross multiply
    13,954.69x = 20,927.98 × 5,187.52
  4. Step 4: Simplify right side
    13,954.69x = 108,564,314.81
  5. Step 5: Solve for x
    x = 108,564,314.81/13,954.69
  6. Step 6: Final answer
    x = 7,779.77

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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.