Home / 9,986.10-14,984.55-4,440.30

Finding the Fourth Proportional to 9,986.10, 14,984.55 and 4,440.30

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Solution

The fourth proportional to 9,986.10, 14,984.55 and 4,440.30 is: 6,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.10 : 14,984.55 = 4,440.30 : x
  2. Step 2: Convert to fraction form
    9,986.10/14,984.55 = 4,440.30/x
  3. Step 3: Cross multiply
    9,986.10x = 14,984.55 × 4,440.30
  4. Step 4: Simplify right side
    9,986.10x = 66,535,897.37
  5. Step 5: Solve for x
    x = 66,535,897.37/9,986.10
  6. Step 6: Final answer
    x = 6,662.85

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1.5x scale

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.