Home / 14,146.14-19,522.26-7,858.50

Finding the Fourth Proportional to 14,146.14, 19,522.26 and 7,858.50

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Solution

The fourth proportional to 14,146.14, 19,522.26 and 7,858.50 is: 10,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.14 : 19,522.26 = 7,858.50 : x
  2. Step 2: Convert to fraction form
    14,146.14/19,522.26 = 7,858.50/x
  3. Step 3: Cross multiply
    14,146.14x = 19,522.26 × 7,858.50
  4. Step 4: Simplify right side
    14,146.14x = 153,415,680.21
  5. Step 5: Solve for x
    x = 153,415,680.21/14,146.14
  6. Step 6: Final answer
    x = 10,845.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.