Home / 14,136.09-21,189.37-4,772.88

Finding the Fourth Proportional to 14,136.09, 21,189.37 and 4,772.88

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Solution

The fourth proportional to 14,136.09, 21,189.37 and 4,772.88 is: 7,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.09 : 21,189.37 = 4,772.88 : x
  2. Step 2: Convert to fraction form
    14,136.09/21,189.37 = 4,772.88/x
  3. Step 3: Cross multiply
    14,136.09x = 21,189.37 × 4,772.88
  4. Step 4: Simplify right side
    14,136.09x = 101,134,320.29
  5. Step 5: Solve for x
    x = 101,134,320.29/14,136.09
  6. Step 6: Final answer
    x = 7,154.33

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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.