Home / 9,980.98-14,974.88-4,438.20

Finding the Fourth Proportional to 9,980.98, 14,974.88 and 4,438.20

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Solution

The fourth proportional to 9,980.98, 14,974.88 and 4,438.20 is: 6,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.98 : 14,974.88 = 4,438.20 : x
  2. Step 2: Convert to fraction form
    9,980.98/14,974.88 = 4,438.20/x
  3. Step 3: Cross multiply
    9,980.98x = 14,974.88 × 4,438.20
  4. Step 4: Simplify right side
    9,980.98x = 66,461,512.42
  5. Step 5: Solve for x
    x = 66,461,512.42/9,980.98
  6. Step 6: Final answer
    x = 6,658.82

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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.