Home / 14,125.80-19,469.54-10,721.64

Finding the Fourth Proportional to 14,125.80, 19,469.54 and 10,721.64

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Solution

The fourth proportional to 14,125.80, 19,469.54 and 10,721.64 is: 14,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.80 : 19,469.54 = 10,721.64 : x
  2. Step 2: Convert to fraction form
    14,125.80/19,469.54 = 10,721.64/x
  3. Step 3: Cross multiply
    14,125.80x = 19,469.54 × 10,721.64
  4. Step 4: Simplify right side
    14,125.80x = 208,745,398.85
  5. Step 5: Solve for x
    x = 208,745,398.85/14,125.80
  6. Step 6: Final answer
    x = 14,777.60

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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.