Home / 12,760.02-19,141.70-4,440.65

Finding the Fourth Proportional to 12,760.02, 19,141.70 and 4,440.65

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Solution

The fourth proportional to 12,760.02, 19,141.70 and 4,440.65 is: 6,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.02 : 19,141.70 = 4,440.65 : x
  2. Step 2: Convert to fraction form
    12,760.02/19,141.70 = 4,440.65/x
  3. Step 3: Cross multiply
    12,760.02x = 19,141.70 × 4,440.65
  4. Step 4: Simplify right side
    12,760.02x = 85,001,472.19
  5. Step 5: Solve for x
    x = 85,001,472.19/12,760.02
  6. Step 6: Final answer
    x = 6,661.55

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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.