Home / 9,918.80-14,868.20-3,674.80

Finding the Fourth Proportional to 9,918.80, 14,868.20 and 3,674.80

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Solution

The fourth proportional to 9,918.80, 14,868.20 and 3,674.80 is: 5,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.80 : 14,868.20 = 3,674.80 : x
  2. Step 2: Convert to fraction form
    9,918.80/14,868.20 = 3,674.80/x
  3. Step 3: Cross multiply
    9,918.80x = 14,868.20 × 3,674.80
  4. Step 4: Simplify right side
    9,918.80x = 54,637,661.36
  5. Step 5: Solve for x
    x = 54,637,661.36/9,918.80
  6. Step 6: Final answer
    x = 5,508.50

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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.