Home / 14,428.06-21,640.47-4,040.62

Finding the Fourth Proportional to 14,428.06, 21,640.47 and 4,040.62

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Solution

The fourth proportional to 14,428.06, 21,640.47 and 4,040.62 is: 6,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.06 : 21,640.47 = 4,040.62 : x
  2. Step 2: Convert to fraction form
    14,428.06/21,640.47 = 4,040.62/x
  3. Step 3: Cross multiply
    14,428.06x = 21,640.47 × 4,040.62
  4. Step 4: Simplify right side
    14,428.06x = 87,440,915.89
  5. Step 5: Solve for x
    x = 87,440,915.89/14,428.06
  6. Step 6: Final answer
    x = 6,060.48

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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.