Home / 13,279.26-19,913.25-5,878.50

Finding the Fourth Proportional to 13,279.26, 19,913.25 and 5,878.50

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Solution

The fourth proportional to 13,279.26, 19,913.25 and 5,878.50 is: 8,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.26 : 19,913.25 = 5,878.50 : x
  2. Step 2: Convert to fraction form
    13,279.26/19,913.25 = 5,878.50/x
  3. Step 3: Cross multiply
    13,279.26x = 19,913.25 × 5,878.50
  4. Step 4: Simplify right side
    13,279.26x = 117,060,040.13
  5. Step 5: Solve for x
    x = 117,060,040.13/13,279.26
  6. Step 6: Final answer
    x = 8,815.25

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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.