Home / 14,510.06-21,765.09-4,120.46

Finding the Fourth Proportional to 14,510.06, 21,765.09 and 4,120.46

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Solution

The fourth proportional to 14,510.06, 21,765.09 and 4,120.46 is: 6,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.06 : 21,765.09 = 4,120.46 : x
  2. Step 2: Convert to fraction form
    14,510.06/21,765.09 = 4,120.46/x
  3. Step 3: Cross multiply
    14,510.06x = 21,765.09 × 4,120.46
  4. Step 4: Simplify right side
    14,510.06x = 89,682,182.74
  5. Step 5: Solve for x
    x = 89,682,182.74/14,510.06
  6. Step 6: Final answer
    x = 6,180.69

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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.