Home / 11,984.29-17,977.95-6,430.02

Finding the Fourth Proportional to 11,984.29, 17,977.95 and 6,430.02

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Solution

The fourth proportional to 11,984.29, 17,977.95 and 6,430.02 is: 9,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.29 : 17,977.95 = 6,430.02 : x
  2. Step 2: Convert to fraction form
    11,984.29/17,977.95 = 6,430.02/x
  3. Step 3: Cross multiply
    11,984.29x = 17,977.95 × 6,430.02
  4. Step 4: Simplify right side
    11,984.29x = 115,598,510.64
  5. Step 5: Solve for x
    x = 115,598,510.64/11,984.29
  6. Step 6: Final answer
    x = 9,645.84

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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.