Home / 17,418.09-26,127.63-4,270.45

Finding the Fourth Proportional to 17,418.09, 26,127.63 and 4,270.45

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Solution

The fourth proportional to 17,418.09, 26,127.63 and 4,270.45 is: 6,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.09 : 26,127.63 = 4,270.45 : x
  2. Step 2: Convert to fraction form
    17,418.09/26,127.63 = 4,270.45/x
  3. Step 3: Cross multiply
    17,418.09x = 26,127.63 × 4,270.45
  4. Step 4: Simplify right side
    17,418.09x = 111,576,737.53
  5. Step 5: Solve for x
    x = 111,576,737.53/17,418.09
  6. Step 6: Final answer
    x = 6,405.80

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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.