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Finding the Fourth Proportional to 12,293.58, 18,437.58 and 4,896.03

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Solution

The fourth proportional to 12,293.58, 18,437.58 and 4,896.03 is: 7,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.58 : 18,437.58 = 4,896.03 : x
  2. Step 2: Convert to fraction form
    12,293.58/18,437.58 = 4,896.03/x
  3. Step 3: Cross multiply
    12,293.58x = 18,437.58 × 4,896.03
  4. Step 4: Simplify right side
    12,293.58x = 90,270,944.81
  5. Step 5: Solve for x
    x = 90,270,944.81/12,293.58
  6. Step 6: Final answer
    x = 7,342.93

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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.