Home / 19,309.06-26,640.30-10,809.93

Finding the Fourth Proportional to 19,309.06, 26,640.30 and 10,809.93

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Solution

The fourth proportional to 19,309.06, 26,640.30 and 10,809.93 is: 14,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.06 : 26,640.30 = 10,809.93 : x
  2. Step 2: Convert to fraction form
    19,309.06/26,640.30 = 10,809.93/x
  3. Step 3: Cross multiply
    19,309.06x = 26,640.30 × 10,809.93
  4. Step 4: Simplify right side
    19,309.06x = 287,979,644.98
  5. Step 5: Solve for x
    x = 287,979,644.98/19,309.06
  6. Step 6: Final answer
    x = 14,914.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.