Home / 19,910.65-29,870.59-6,763.03

Finding the Fourth Proportional to 19,910.65, 29,870.59 and 6,763.03

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Solution

The fourth proportional to 19,910.65, 29,870.59 and 6,763.03 is: 10,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.65 : 29,870.59 = 6,763.03 : x
  2. Step 2: Convert to fraction form
    19,910.65/29,870.59 = 6,763.03/x
  3. Step 3: Cross multiply
    19,910.65x = 29,870.59 × 6,763.03
  4. Step 4: Simplify right side
    19,910.65x = 202,015,696.29
  5. Step 5: Solve for x
    x = 202,015,696.29/19,910.65
  6. Step 6: Final answer
    x = 10,146.11

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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.