Home / 19,021.28-26,249.28-10,637.84

Finding the Fourth Proportional to 19,021.28, 26,249.28 and 10,637.84

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Solution

The fourth proportional to 19,021.28, 26,249.28 and 10,637.84 is: 14,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.28 : 26,249.28 = 10,637.84 : x
  2. Step 2: Convert to fraction form
    19,021.28/26,249.28 = 10,637.84/x
  3. Step 3: Cross multiply
    19,021.28x = 26,249.28 × 10,637.84
  4. Step 4: Simplify right side
    19,021.28x = 279,235,640.76
  5. Step 5: Solve for x
    x = 279,235,640.76/19,021.28
  6. Step 6: Final answer
    x = 14,680.17

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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.