Home / 12,280.06-18,421.71-6,040.36

Finding the Fourth Proportional to 12,280.06, 18,421.71 and 6,040.36

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Solution

The fourth proportional to 12,280.06, 18,421.71 and 6,040.36 is: 9,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.06 : 18,421.71 = 6,040.36 : x
  2. Step 2: Convert to fraction form
    12,280.06/18,421.71 = 6,040.36/x
  3. Step 3: Cross multiply
    12,280.06x = 18,421.71 × 6,040.36
  4. Step 4: Simplify right side
    12,280.06x = 111,273,760.22
  5. Step 5: Solve for x
    x = 111,273,760.22/12,280.06
  6. Step 6: Final answer
    x = 9,061.34

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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.