Home / 13,768.92-20,642.93-7,098.23

Finding the Fourth Proportional to 13,768.92, 20,642.93 and 7,098.23

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Solution

The fourth proportional to 13,768.92, 20,642.93 and 7,098.23 is: 10,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.92 : 20,642.93 = 7,098.23 : x
  2. Step 2: Convert to fraction form
    13,768.92/20,642.93 = 7,098.23/x
  3. Step 3: Cross multiply
    13,768.92x = 20,642.93 × 7,098.23
  4. Step 4: Simplify right side
    13,768.92x = 146,528,265.01
  5. Step 5: Solve for x
    x = 146,528,265.01/13,768.92
  6. Step 6: Final answer
    x = 10,641.96

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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.