Home / 19,637.86-29,436.21-9,628.84

Finding the Fourth Proportional to 19,637.86, 29,436.21 and 9,628.84

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Solution

The fourth proportional to 19,637.86, 29,436.21 and 9,628.84 is: 14,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.86 : 29,436.21 = 9,628.84 : x
  2. Step 2: Convert to fraction form
    19,637.86/29,436.21 = 9,628.84/x
  3. Step 3: Cross multiply
    19,637.86x = 29,436.21 × 9,628.84
  4. Step 4: Simplify right side
    19,637.86x = 283,436,556.30
  5. Step 5: Solve for x
    x = 283,436,556.30/19,637.86
  6. Step 6: Final answer
    x = 14,433.17

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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.