Home / 19,426.98-26,809.11-11,043.48

Finding the Fourth Proportional to 19,426.98, 26,809.11 and 11,043.48

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Solution

The fourth proportional to 19,426.98, 26,809.11 and 11,043.48 is: 15,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.98 : 26,809.11 = 11,043.48 : x
  2. Step 2: Convert to fraction form
    19,426.98/26,809.11 = 11,043.48/x
  3. Step 3: Cross multiply
    19,426.98x = 26,809.11 × 11,043.48
  4. Step 4: Simplify right side
    19,426.98x = 296,065,870.10
  5. Step 5: Solve for x
    x = 296,065,870.10/19,426.98
  6. Step 6: Final answer
    x = 15,239.93

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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.