Home / 10,288.07-15,432.70-2,893.11

Finding the Fourth Proportional to 10,288.07, 15,432.70 and 2,893.11

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Solution

The fourth proportional to 10,288.07, 15,432.70 and 2,893.11 is: 4,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.07 : 15,432.70 = 2,893.11 : x
  2. Step 2: Convert to fraction form
    10,288.07/15,432.70 = 2,893.11/x
  3. Step 3: Cross multiply
    10,288.07x = 15,432.70 × 2,893.11
  4. Step 4: Simplify right side
    10,288.07x = 44,648,498.70
  5. Step 5: Solve for x
    x = 44,648,498.70/10,288.07
  6. Step 6: Final answer
    x = 4,339.83

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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.