Home / 9,984.19-14,979.02-4,140.80

Finding the Fourth Proportional to 9,984.19, 14,979.02 and 4,140.80

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Solution

The fourth proportional to 9,984.19, 14,979.02 and 4,140.80 is: 6,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.19 : 14,979.02 = 4,140.80 : x
  2. Step 2: Convert to fraction form
    9,984.19/14,979.02 = 4,140.80/x
  3. Step 3: Cross multiply
    9,984.19x = 14,979.02 × 4,140.80
  4. Step 4: Simplify right side
    9,984.19x = 62,025,142.76
  5. Step 5: Solve for x
    x = 62,025,142.76/9,984.19
  6. Step 6: Final answer
    x = 6,212.34

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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.