Home / 12,776.22-19,170.24-5,758.20

Finding the Fourth Proportional to 12,776.22, 19,170.24 and 5,758.20

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Solution

The fourth proportional to 12,776.22, 19,170.24 and 5,758.20 is: 8,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.22 : 19,170.24 = 5,758.20 : x
  2. Step 2: Convert to fraction form
    12,776.22/19,170.24 = 5,758.20/x
  3. Step 3: Cross multiply
    12,776.22x = 19,170.24 × 5,758.20
  4. Step 4: Simplify right side
    12,776.22x = 110,386,075.97
  5. Step 5: Solve for x
    x = 110,386,075.97/12,776.22
  6. Step 6: Final answer
    x = 8,639.96

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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.