Home / 13,572.09-20,352.87-4,685.81

Finding the Fourth Proportional to 13,572.09, 20,352.87 and 4,685.81

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Solution

The fourth proportional to 13,572.09, 20,352.87 and 4,685.81 is: 7,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.09 : 20,352.87 = 4,685.81 : x
  2. Step 2: Convert to fraction form
    13,572.09/20,352.87 = 4,685.81/x
  3. Step 3: Cross multiply
    13,572.09x = 20,352.87 × 4,685.81
  4. Step 4: Simplify right side
    13,572.09x = 95,369,580.01
  5. Step 5: Solve for x
    x = 95,369,580.01/13,572.09
  6. Step 6: Final answer
    x = 7,026.89

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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.