Home / 12,844.16-19,257.60-6,995.20

Finding the Fourth Proportional to 12,844.16, 19,257.60 and 6,995.20

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Solution

The fourth proportional to 12,844.16, 19,257.60 and 6,995.20 is: 10,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.16 : 19,257.60 = 6,995.20 : x
  2. Step 2: Convert to fraction form
    12,844.16/19,257.60 = 6,995.20/x
  3. Step 3: Cross multiply
    12,844.16x = 19,257.60 × 6,995.20
  4. Step 4: Simplify right side
    12,844.16x = 134,710,763.52
  5. Step 5: Solve for x
    x = 134,710,763.52/12,844.16
  6. Step 6: Final answer
    x = 10,488.09

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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.