Home / 13,210.90-19,817.06-3,350.25

Finding the Fourth Proportional to 13,210.90, 19,817.06 and 3,350.25

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Solution

The fourth proportional to 13,210.90, 19,817.06 and 3,350.25 is: 5,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.90 : 19,817.06 = 3,350.25 : x
  2. Step 2: Convert to fraction form
    13,210.90/19,817.06 = 3,350.25/x
  3. Step 3: Cross multiply
    13,210.90x = 19,817.06 × 3,350.25
  4. Step 4: Simplify right side
    13,210.90x = 66,392,088.51
  5. Step 5: Solve for x
    x = 66,392,088.51/13,210.90
  6. Step 6: Final answer
    x = 5,025.55

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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.