Home / 13,081.95-19,623.60-4,317.55

Finding the Fourth Proportional to 13,081.95, 19,623.60 and 4,317.55

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Solution

The fourth proportional to 13,081.95, 19,623.60 and 4,317.55 is: 6,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.95 : 19,623.60 = 4,317.55 : x
  2. Step 2: Convert to fraction form
    13,081.95/19,623.60 = 4,317.55/x
  3. Step 3: Cross multiply
    13,081.95x = 19,623.60 × 4,317.55
  4. Step 4: Simplify right side
    13,081.95x = 84,725,825.12
  5. Step 5: Solve for x
    x = 84,725,825.12/13,081.95
  6. Step 6: Final answer
    x = 6,476.54

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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.