Home / 9,907.24-14,858.78-2,980.20

Finding the Fourth Proportional to 9,907.24, 14,858.78 and 2,980.20

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Solution

The fourth proportional to 9,907.24, 14,858.78 and 2,980.20 is: 4,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.24 : 14,858.78 = 2,980.20 : x
  2. Step 2: Convert to fraction form
    9,907.24/14,858.78 = 2,980.20/x
  3. Step 3: Cross multiply
    9,907.24x = 14,858.78 × 2,980.20
  4. Step 4: Simplify right side
    9,907.24x = 44,282,136.16
  5. Step 5: Solve for x
    x = 44,282,136.16/9,907.24
  6. Step 6: Final answer
    x = 4,469.67

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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.