Home / 14,122.80-21,192.60-5,358.60

Finding the Fourth Proportional to 14,122.80, 21,192.60 and 5,358.60

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Solution

The fourth proportional to 14,122.80, 21,192.60 and 5,358.60 is: 8,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.80 : 21,192.60 = 5,358.60 : x
  2. Step 2: Convert to fraction form
    14,122.80/21,192.60 = 5,358.60/x
  3. Step 3: Cross multiply
    14,122.80x = 21,192.60 × 5,358.60
  4. Step 4: Simplify right side
    14,122.80x = 113,562,666.36
  5. Step 5: Solve for x
    x = 113,562,666.36/14,122.80
  6. Step 6: Final answer
    x = 8,041.09

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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.