Home / 18,009.22-26,946.14-12,473.36

Finding the Fourth Proportional to 18,009.22, 26,946.14 and 12,473.36

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Solution

The fourth proportional to 18,009.22, 26,946.14 and 12,473.36 is: 18,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.22 : 26,946.14 = 12,473.36 : x
  2. Step 2: Convert to fraction form
    18,009.22/26,946.14 = 12,473.36/x
  3. Step 3: Cross multiply
    18,009.22x = 26,946.14 × 12,473.36
  4. Step 4: Simplify right side
    18,009.22x = 336,108,904.83
  5. Step 5: Solve for x
    x = 336,108,904.83/18,009.22
  6. Step 6: Final answer
    x = 18,663.16

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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.