Home / 12,210.36-18,315.96-3,444.84

Finding the Fourth Proportional to 12,210.36, 18,315.96 and 3,444.84

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Solution

The fourth proportional to 12,210.36, 18,315.96 and 3,444.84 is: 5,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.36 : 18,315.96 = 3,444.84 : x
  2. Step 2: Convert to fraction form
    12,210.36/18,315.96 = 3,444.84/x
  3. Step 3: Cross multiply
    12,210.36x = 18,315.96 × 3,444.84
  4. Step 4: Simplify right side
    12,210.36x = 63,095,551.65
  5. Step 5: Solve for x
    x = 63,095,551.65/12,210.36
  6. Step 6: Final answer
    x = 5,167.38

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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.