Home / 18,681.22-28,026.20-7,437.24

Finding the Fourth Proportional to 18,681.22, 28,026.20 and 7,437.24

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Solution

The fourth proportional to 18,681.22, 28,026.20 and 7,437.24 is: 11,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.22 : 28,026.20 = 7,437.24 : x
  2. Step 2: Convert to fraction form
    18,681.22/28,026.20 = 7,437.24/x
  3. Step 3: Cross multiply
    18,681.22x = 28,026.20 × 7,437.24
  4. Step 4: Simplify right side
    18,681.22x = 208,437,662.56
  5. Step 5: Solve for x
    x = 208,437,662.56/18,681.22
  6. Step 6: Final answer
    x = 11,157.61

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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.