Home / 13,210.09-19,821.59-5,813.62

Finding the Fourth Proportional to 13,210.09, 19,821.59 and 5,813.62

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Solution

The fourth proportional to 13,210.09, 19,821.59 and 5,813.62 is: 8,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.09 : 19,821.59 = 5,813.62 : x
  2. Step 2: Convert to fraction form
    13,210.09/19,821.59 = 5,813.62/x
  3. Step 3: Cross multiply
    13,210.09x = 19,821.59 × 5,813.62
  4. Step 4: Simplify right side
    13,210.09x = 115,235,192.06
  5. Step 5: Solve for x
    x = 115,235,192.06/13,210.09
  6. Step 6: Final answer
    x = 8,723.27

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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.