Home / 13,194.02-19,786.07-4,307.28

Finding the Fourth Proportional to 13,194.02, 19,786.07 and 4,307.28

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Solution

The fourth proportional to 13,194.02, 19,786.07 and 4,307.28 is: 6,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.02 : 19,786.07 = 4,307.28 : x
  2. Step 2: Convert to fraction form
    13,194.02/19,786.07 = 4,307.28/x
  3. Step 3: Cross multiply
    13,194.02x = 19,786.07 × 4,307.28
  4. Step 4: Simplify right side
    13,194.02x = 85,224,080.16
  5. Step 5: Solve for x
    x = 85,224,080.16/13,194.02
  6. Step 6: Final answer
    x = 6,459.29

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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.