Home / 23,149.44-31,946.18-12,539.12

Finding the Fourth Proportional to 23,149.44, 31,946.18 and 12,539.12

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Solution

The fourth proportional to 23,149.44, 31,946.18 and 12,539.12 is: 17,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.44 : 31,946.18 = 12,539.12 : x
  2. Step 2: Convert to fraction form
    23,149.44/31,946.18 = 12,539.12/x
  3. Step 3: Cross multiply
    23,149.44x = 31,946.18 × 12,539.12
  4. Step 4: Simplify right side
    23,149.44x = 400,576,762.14
  5. Step 5: Solve for x
    x = 400,576,762.14/23,149.44
  6. Step 6: Final answer
    x = 17,303.95

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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.