Home / 13,085.55-19,623.06-4,763.61

Finding the Fourth Proportional to 13,085.55, 19,623.06 and 4,763.61

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Solution

The fourth proportional to 13,085.55, 19,623.06 and 4,763.61 is: 7,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.55 : 19,623.06 = 4,763.61 : x
  2. Step 2: Convert to fraction form
    13,085.55/19,623.06 = 4,763.61/x
  3. Step 3: Cross multiply
    13,085.55x = 19,623.06 × 4,763.61
  4. Step 4: Simplify right side
    13,085.55x = 93,476,604.85
  5. Step 5: Solve for x
    x = 93,476,604.85/13,085.55
  6. Step 6: Final answer
    x = 7,143.50

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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.