Home / 9,026.20-13,539.30-7,406.20

Finding the Fourth Proportional to 9,026.20, 13,539.30 and 7,406.20

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Solution

The fourth proportional to 9,026.20, 13,539.30 and 7,406.20 is: 11,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.20 : 13,539.30 = 7,406.20 : x
  2. Step 2: Convert to fraction form
    9,026.20/13,539.30 = 7,406.20/x
  3. Step 3: Cross multiply
    9,026.20x = 13,539.30 × 7,406.20
  4. Step 4: Simplify right side
    9,026.20x = 100,274,763.66
  5. Step 5: Solve for x
    x = 100,274,763.66/9,026.20
  6. Step 6: Final answer
    x = 11,109.30

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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.