Home / 12,439.37-17,148.20-9,450.02

Finding the Fourth Proportional to 12,439.37, 17,148.20 and 9,450.02

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Solution

The fourth proportional to 12,439.37, 17,148.20 and 9,450.02 is: 13,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.37 : 17,148.20 = 9,450.02 : x
  2. Step 2: Convert to fraction form
    12,439.37/17,148.20 = 9,450.02/x
  3. Step 3: Cross multiply
    12,439.37x = 17,148.20 × 9,450.02
  4. Step 4: Simplify right side
    12,439.37x = 162,050,699.97
  5. Step 5: Solve for x
    x = 162,050,699.97/12,439.37
  6. Step 6: Final answer
    x = 13,027.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.