Home / 10,288.50-15,430.41-2,893.68

Finding the Fourth Proportional to 10,288.50, 15,430.41 and 2,893.68

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Solution

The fourth proportional to 10,288.50, 15,430.41 and 2,893.68 is: 4,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.50 : 15,430.41 = 2,893.68 : x
  2. Step 2: Convert to fraction form
    10,288.50/15,430.41 = 2,893.68/x
  3. Step 3: Cross multiply
    10,288.50x = 15,430.41 × 2,893.68
  4. Step 4: Simplify right side
    10,288.50x = 44,650,668.81
  5. Step 5: Solve for x
    x = 44,650,668.81/10,288.50
  6. Step 6: Final answer
    x = 4,339.86

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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.