Home / 17,127.72-25,683.48-5,437.80

Finding the Fourth Proportional to 17,127.72, 25,683.48 and 5,437.80

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Solution

The fourth proportional to 17,127.72, 25,683.48 and 5,437.80 is: 8,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.72 : 25,683.48 = 5,437.80 : x
  2. Step 2: Convert to fraction form
    17,127.72/25,683.48 = 5,437.80/x
  3. Step 3: Cross multiply
    17,127.72x = 25,683.48 × 5,437.80
  4. Step 4: Simplify right side
    17,127.72x = 139,661,627.54
  5. Step 5: Solve for x
    x = 139,661,627.54/17,127.72
  6. Step 6: Final answer
    x = 8,154.13

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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.