Home / 13,683.72-20,538.24-7,024.96

Finding the Fourth Proportional to 13,683.72, 20,538.24 and 7,024.96

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Solution

The fourth proportional to 13,683.72, 20,538.24 and 7,024.96 is: 10,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.72 : 20,538.24 = 7,024.96 : x
  2. Step 2: Convert to fraction form
    13,683.72/20,538.24 = 7,024.96/x
  3. Step 3: Cross multiply
    13,683.72x = 20,538.24 × 7,024.96
  4. Step 4: Simplify right side
    13,683.72x = 144,280,314.47
  5. Step 5: Solve for x
    x = 144,280,314.47/13,683.72
  6. Step 6: Final answer
    x = 10,543.94

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1.5x scale

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.