Home / 12,951.36-19,415.80-6,708.08

Finding the Fourth Proportional to 12,951.36, 19,415.80 and 6,708.08

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Solution

The fourth proportional to 12,951.36, 19,415.80 and 6,708.08 is: 10,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.36 : 19,415.80 = 6,708.08 : x
  2. Step 2: Convert to fraction form
    12,951.36/19,415.80 = 6,708.08/x
  3. Step 3: Cross multiply
    12,951.36x = 19,415.80 × 6,708.08
  4. Step 4: Simplify right side
    12,951.36x = 130,242,739.66
  5. Step 5: Solve for x
    x = 130,242,739.66/12,951.36
  6. Step 6: Final answer
    x = 10,056.30

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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.