Home / 14,578.16-20,121.05-9,271.94

Finding the Fourth Proportional to 14,578.16, 20,121.05 and 9,271.94

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Solution

The fourth proportional to 14,578.16, 20,121.05 and 9,271.94 is: 12,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.16 : 20,121.05 = 9,271.94 : x
  2. Step 2: Convert to fraction form
    14,578.16/20,121.05 = 9,271.94/x
  3. Step 3: Cross multiply
    14,578.16x = 20,121.05 × 9,271.94
  4. Step 4: Simplify right side
    14,578.16x = 186,561,021.37
  5. Step 5: Solve for x
    x = 186,561,021.37/14,578.16
  6. Step 6: Final answer
    x = 12,797.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.