Home / 18,424.68-27,636.90-5,277.07

Finding the Fourth Proportional to 18,424.68, 27,636.90 and 5,277.07

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Solution

The fourth proportional to 18,424.68, 27,636.90 and 5,277.07 is: 7,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.68 : 27,636.90 = 5,277.07 : x
  2. Step 2: Convert to fraction form
    18,424.68/27,636.90 = 5,277.07/x
  3. Step 3: Cross multiply
    18,424.68x = 27,636.90 × 5,277.07
  4. Step 4: Simplify right side
    18,424.68x = 145,841,855.88
  5. Step 5: Solve for x
    x = 145,841,855.88/18,424.68
  6. Step 6: Final answer
    x = 7,915.57

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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.