Home / 10,256.22-15,386.92-2,860.68

Finding the Fourth Proportional to 10,256.22, 15,386.92 and 2,860.68

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Solution

The fourth proportional to 10,256.22, 15,386.92 and 2,860.68 is: 4,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.22 : 15,386.92 = 2,860.68 : x
  2. Step 2: Convert to fraction form
    10,256.22/15,386.92 = 2,860.68/x
  3. Step 3: Cross multiply
    10,256.22x = 15,386.92 × 2,860.68
  4. Step 4: Simplify right side
    10,256.22x = 44,016,995.14
  5. Step 5: Solve for x
    x = 44,016,995.14/10,256.22
  6. Step 6: Final answer
    x = 4,291.74

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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.