Home / 18,741.24-28,099.35-7,644.95

Finding the Fourth Proportional to 18,741.24, 28,099.35 and 7,644.95

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Solution

The fourth proportional to 18,741.24, 28,099.35 and 7,644.95 is: 11,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.24 : 28,099.35 = 7,644.95 : x
  2. Step 2: Convert to fraction form
    18,741.24/28,099.35 = 7,644.95/x
  3. Step 3: Cross multiply
    18,741.24x = 28,099.35 × 7,644.95
  4. Step 4: Simplify right side
    18,741.24x = 214,817,985.29
  5. Step 5: Solve for x
    x = 214,817,985.29/18,741.24
  6. Step 6: Final answer
    x = 11,462.31

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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.