Home / 12,663.04-18,976.80-5,992.48

Finding the Fourth Proportional to 12,663.04, 18,976.80 and 5,992.48

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Solution

The fourth proportional to 12,663.04, 18,976.80 and 5,992.48 is: 8,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.04 : 18,976.80 = 5,992.48 : x
  2. Step 2: Convert to fraction form
    12,663.04/18,976.80 = 5,992.48/x
  3. Step 3: Cross multiply
    12,663.04x = 18,976.80 × 5,992.48
  4. Step 4: Simplify right side
    12,663.04x = 113,718,094.46
  5. Step 5: Solve for x
    x = 113,718,094.46/12,663.04
  6. Step 6: Final answer
    x = 8,980.32

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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.