Home / 19,102.15-28,653.09-10,392.43

Finding the Fourth Proportional to 19,102.15, 28,653.09 and 10,392.43

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Solution

The fourth proportional to 19,102.15, 28,653.09 and 10,392.43 is: 15,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.15 : 28,653.09 = 10,392.43 : x
  2. Step 2: Convert to fraction form
    19,102.15/28,653.09 = 10,392.43/x
  3. Step 3: Cross multiply
    19,102.15x = 28,653.09 × 10,392.43
  4. Step 4: Simplify right side
    19,102.15x = 297,775,232.11
  5. Step 5: Solve for x
    x = 297,775,232.11/19,102.15
  6. Step 6: Final answer
    x = 15,588.57

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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.