Home / 19,127.42-28,637.91-9,747.21

Finding the Fourth Proportional to 19,127.42, 28,637.91 and 9,747.21

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Solution

The fourth proportional to 19,127.42, 28,637.91 and 9,747.21 is: 14,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.42 : 28,637.91 = 9,747.21 : x
  2. Step 2: Convert to fraction form
    19,127.42/28,637.91 = 9,747.21/x
  3. Step 3: Cross multiply
    19,127.42x = 28,637.91 × 9,747.21
  4. Step 4: Simplify right side
    19,127.42x = 279,139,722.73
  5. Step 5: Solve for x
    x = 279,139,722.73/19,127.42
  6. Step 6: Final answer
    x = 14,593.69

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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.