Home / 9,980.24-14,941.20-7,206.80

Finding the Fourth Proportional to 9,980.24, 14,941.20 and 7,206.80

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Solution

The fourth proportional to 9,980.24, 14,941.20 and 7,206.80 is: 10,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.24 : 14,941.20 = 7,206.80 : x
  2. Step 2: Convert to fraction form
    9,980.24/14,941.20 = 7,206.80/x
  3. Step 3: Cross multiply
    9,980.24x = 14,941.20 × 7,206.80
  4. Step 4: Simplify right side
    9,980.24x = 107,678,240.16
  5. Step 5: Solve for x
    x = 107,678,240.16/9,980.24
  6. Step 6: Final answer
    x = 10,789.14

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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.