Home / 19,303.74-26,640.34-10,805.70

Finding the Fourth Proportional to 19,303.74, 26,640.34 and 10,805.70

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Solution

The fourth proportional to 19,303.74, 26,640.34 and 10,805.70 is: 14,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.74 : 26,640.34 = 10,805.70 : x
  2. Step 2: Convert to fraction form
    19,303.74/26,640.34 = 10,805.70/x
  3. Step 3: Cross multiply
    19,303.74x = 26,640.34 × 10,805.70
  4. Step 4: Simplify right side
    19,303.74x = 287,867,521.94
  5. Step 5: Solve for x
    x = 287,867,521.94/19,303.74
  6. Step 6: Final answer
    x = 14,912.53

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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.