Home / 13,790.76-20,689.44-5,026.08

Finding the Fourth Proportional to 13,790.76, 20,689.44 and 5,026.08

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Solution

The fourth proportional to 13,790.76, 20,689.44 and 5,026.08 is: 7,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.76 : 20,689.44 = 5,026.08 : x
  2. Step 2: Convert to fraction form
    13,790.76/20,689.44 = 5,026.08/x
  3. Step 3: Cross multiply
    13,790.76x = 20,689.44 × 5,026.08
  4. Step 4: Simplify right side
    13,790.76x = 103,986,780.60
  5. Step 5: Solve for x
    x = 103,986,780.60/13,790.76
  6. Step 6: Final answer
    x = 7,540.32

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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.