Home / 10,078.34-13,914.33-6,494.56

Finding the Fourth Proportional to 10,078.34, 13,914.33 and 6,494.56

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Solution

The fourth proportional to 10,078.34, 13,914.33 and 6,494.56 is: 8,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.34 : 13,914.33 = 6,494.56 : x
  2. Step 2: Convert to fraction form
    10,078.34/13,914.33 = 6,494.56/x
  3. Step 3: Cross multiply
    10,078.34x = 13,914.33 × 6,494.56
  4. Step 4: Simplify right side
    10,078.34x = 90,367,416.26
  5. Step 5: Solve for x
    x = 90,367,416.26/10,078.34
  6. Step 6: Final answer
    x = 8,966.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.