Home / 10,276.22-15,416.94-2,880.71

Finding the Fourth Proportional to 10,276.22, 15,416.94 and 2,880.71

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Solution

The fourth proportional to 10,276.22, 15,416.94 and 2,880.71 is: 4,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.22 : 15,416.94 = 2,880.71 : x
  2. Step 2: Convert to fraction form
    10,276.22/15,416.94 = 2,880.71/x
  3. Step 3: Cross multiply
    10,276.22x = 15,416.94 × 2,880.71
  4. Step 4: Simplify right side
    10,276.22x = 44,411,733.23
  5. Step 5: Solve for x
    x = 44,411,733.23/10,276.22
  6. Step 6: Final answer
    x = 4,321.80

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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.