Home / 13,273.02-19,909.80-3,412.35

Finding the Fourth Proportional to 13,273.02, 19,909.80 and 3,412.35

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Solution

The fourth proportional to 13,273.02, 19,909.80 and 3,412.35 is: 5,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.02 : 19,909.80 = 3,412.35 : x
  2. Step 2: Convert to fraction form
    13,273.02/19,909.80 = 3,412.35/x
  3. Step 3: Cross multiply
    13,273.02x = 19,909.80 × 3,412.35
  4. Step 4: Simplify right side
    13,273.02x = 67,939,206.03
  5. Step 5: Solve for x
    x = 67,939,206.03/13,273.02
  6. Step 6: Final answer
    x = 5,118.59

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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.