Home / 14,069.70-21,104.55-10,959.30

Finding the Fourth Proportional to 14,069.70, 21,104.55 and 10,959.30

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Solution

The fourth proportional to 14,069.70, 21,104.55 and 10,959.30 is: 16,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.70 : 21,104.55 = 10,959.30 : x
  2. Step 2: Convert to fraction form
    14,069.70/21,104.55 = 10,959.30/x
  3. Step 3: Cross multiply
    14,069.70x = 21,104.55 × 10,959.30
  4. Step 4: Simplify right side
    14,069.70x = 231,291,094.82
  5. Step 5: Solve for x
    x = 231,291,094.82/14,069.70
  6. Step 6: Final answer
    x = 16,438.95

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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.