Home / 19,251.35-28,886.60-10,812.62

Finding the Fourth Proportional to 19,251.35, 28,886.60 and 10,812.62

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Solution

The fourth proportional to 19,251.35, 28,886.60 and 10,812.62 is: 16,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.35 : 28,886.60 = 10,812.62 : x
  2. Step 2: Convert to fraction form
    19,251.35/28,886.60 = 10,812.62/x
  3. Step 3: Cross multiply
    19,251.35x = 28,886.60 × 10,812.62
  4. Step 4: Simplify right side
    19,251.35x = 312,339,828.89
  5. Step 5: Solve for x
    x = 312,339,828.89/19,251.35
  6. Step 6: Final answer
    x = 16,224.31

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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.