Home / 14,115.49-21,168.90-9,760.93

Finding the Fourth Proportional to 14,115.49, 21,168.90 and 9,760.93

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Solution

The fourth proportional to 14,115.49, 21,168.90 and 9,760.93 is: 14,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.49 : 21,168.90 = 9,760.93 : x
  2. Step 2: Convert to fraction form
    14,115.49/21,168.90 = 9,760.93/x
  3. Step 3: Cross multiply
    14,115.49x = 21,168.90 × 9,760.93
  4. Step 4: Simplify right side
    14,115.49x = 206,628,151.08
  5. Step 5: Solve for x
    x = 206,628,151.08/14,115.49
  6. Step 6: Final answer
    x = 14,638.40

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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.