Home / 12,139.02-18,206.73-3,373.02

Finding the Fourth Proportional to 12,139.02, 18,206.73 and 3,373.02

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Solution

The fourth proportional to 12,139.02, 18,206.73 and 3,373.02 is: 5,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139.02 : 18,206.73 = 3,373.02 : x
  2. Step 2: Convert to fraction form
    12,139.02/18,206.73 = 3,373.02/x
  3. Step 3: Cross multiply
    12,139.02x = 18,206.73 × 3,373.02
  4. Step 4: Simplify right side
    12,139.02x = 61,411,664.42
  5. Step 5: Solve for x
    x = 61,411,664.42/12,139.02
  6. Step 6: Final answer
    x = 5,059.03

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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.