Home / 12,418.47-18,627.69-5,022.87

Finding the Fourth Proportional to 12,418.47, 18,627.69 and 5,022.87

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Solution

The fourth proportional to 12,418.47, 18,627.69 and 5,022.87 is: 7,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.47 : 18,627.69 = 5,022.87 : x
  2. Step 2: Convert to fraction form
    12,418.47/18,627.69 = 5,022.87/x
  3. Step 3: Cross multiply
    12,418.47x = 18,627.69 × 5,022.87
  4. Step 4: Simplify right side
    12,418.47x = 93,564,465.27
  5. Step 5: Solve for x
    x = 93,564,465.27/12,418.47
  6. Step 6: Final answer
    x = 7,534.30

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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.