Home / 13,537.04-20,300.98-5,216.38

Finding the Fourth Proportional to 13,537.04, 20,300.98 and 5,216.38

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Solution

The fourth proportional to 13,537.04, 20,300.98 and 5,216.38 is: 7,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.04 : 20,300.98 = 5,216.38 : x
  2. Step 2: Convert to fraction form
    13,537.04/20,300.98 = 5,216.38/x
  3. Step 3: Cross multiply
    13,537.04x = 20,300.98 × 5,216.38
  4. Step 4: Simplify right side
    13,537.04x = 105,897,626.05
  5. Step 5: Solve for x
    x = 105,897,626.05/13,537.04
  6. Step 6: Final answer
    x = 7,822.81

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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.