Home / 12,767.95-19,148.44-8,080.91

Finding the Fourth Proportional to 12,767.95, 19,148.44 and 8,080.91

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Solution

The fourth proportional to 12,767.95, 19,148.44 and 8,080.91 is: 12,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.95 : 19,148.44 = 8,080.91 : x
  2. Step 2: Convert to fraction form
    12,767.95/19,148.44 = 8,080.91/x
  3. Step 3: Cross multiply
    12,767.95x = 19,148.44 × 8,080.91
  4. Step 4: Simplify right side
    12,767.95x = 154,736,820.28
  5. Step 5: Solve for x
    x = 154,736,820.28/12,767.95
  6. Step 6: Final answer
    x = 12,119.16

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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.