Home / 18,424.98-27,636.75-5,277.30

Finding the Fourth Proportional to 18,424.98, 27,636.75 and 5,277.30

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Solution

The fourth proportional to 18,424.98, 27,636.75 and 5,277.30 is: 7,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.98 : 27,636.75 = 5,277.30 : x
  2. Step 2: Convert to fraction form
    18,424.98/27,636.75 = 5,277.30/x
  3. Step 3: Cross multiply
    18,424.98x = 27,636.75 × 5,277.30
  4. Step 4: Simplify right side
    18,424.98x = 145,847,420.78
  5. Step 5: Solve for x
    x = 145,847,420.78/18,424.98
  6. Step 6: Final answer
    x = 7,915.74

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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.