Home / 19,911.08-29,870.88-6,763.16

Finding the Fourth Proportional to 19,911.08, 29,870.88 and 6,763.16

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Solution

The fourth proportional to 19,911.08, 29,870.88 and 6,763.16 is: 10,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.08 : 29,870.88 = 6,763.16 : x
  2. Step 2: Convert to fraction form
    19,911.08/29,870.88 = 6,763.16/x
  3. Step 3: Cross multiply
    19,911.08x = 29,870.88 × 6,763.16
  4. Step 4: Simplify right side
    19,911.08x = 202,021,540.78
  5. Step 5: Solve for x
    x = 202,021,540.78/19,911.08
  6. Step 6: Final answer
    x = 10,146.19

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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.