Home / 12,661.36-19,005.06-8,967.76

Finding the Fourth Proportional to 12,661.36, 19,005.06 and 8,967.76

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Solution

The fourth proportional to 12,661.36, 19,005.06 and 8,967.76 is: 13,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.36 : 19,005.06 = 8,967.76 : x
  2. Step 2: Convert to fraction form
    12,661.36/19,005.06 = 8,967.76/x
  3. Step 3: Cross multiply
    12,661.36x = 19,005.06 × 8,967.76
  4. Step 4: Simplify right side
    12,661.36x = 170,432,816.87
  5. Step 5: Solve for x
    x = 170,432,816.87/12,661.36
  6. Step 6: Final answer
    x = 13,460.86

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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.