Home / 12,852.36-19,281.78-12,632.04

Finding the Fourth Proportional to 12,852.36, 19,281.78 and 12,632.04

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Solution

The fourth proportional to 12,852.36, 19,281.78 and 12,632.04 is: 18,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.36 : 19,281.78 = 12,632.04 : x
  2. Step 2: Convert to fraction form
    12,852.36/19,281.78 = 12,632.04/x
  3. Step 3: Cross multiply
    12,852.36x = 19,281.78 × 12,632.04
  4. Step 4: Simplify right side
    12,852.36x = 243,568,216.23
  5. Step 5: Solve for x
    x = 243,568,216.23/12,852.36
  6. Step 6: Final answer
    x = 18,951.24

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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.