Home / 14,065.80-21,098.70-13,968.60

Finding the Fourth Proportional to 14,065.80, 21,098.70 and 13,968.60

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Solution

The fourth proportional to 14,065.80, 21,098.70 and 13,968.60 is: 20,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.80 : 21,098.70 = 13,968.60 : x
  2. Step 2: Convert to fraction form
    14,065.80/21,098.70 = 13,968.60/x
  3. Step 3: Cross multiply
    14,065.80x = 21,098.70 × 13,968.60
  4. Step 4: Simplify right side
    14,065.80x = 294,719,300.82
  5. Step 5: Solve for x
    x = 294,719,300.82/14,065.80
  6. Step 6: Final answer
    x = 20,952.90

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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.