Home / 10,324.22-15,486.30-2,928.68

Finding the Fourth Proportional to 10,324.22, 15,486.30 and 2,928.68

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Solution

The fourth proportional to 10,324.22, 15,486.30 and 2,928.68 is: 4,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.22 : 15,486.30 = 2,928.68 : x
  2. Step 2: Convert to fraction form
    10,324.22/15,486.30 = 2,928.68/x
  3. Step 3: Cross multiply
    10,324.22x = 15,486.30 × 2,928.68
  4. Step 4: Simplify right side
    10,324.22x = 45,354,417.08
  5. Step 5: Solve for x
    x = 45,354,417.08/10,324.22
  6. Step 6: Final answer
    x = 4,393.01

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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.