Home / 19,356.75-26,703.11-12,270.87

Finding the Fourth Proportional to 19,356.75, 26,703.11 and 12,270.87

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Solution

The fourth proportional to 19,356.75, 26,703.11 and 12,270.87 is: 16,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.75 : 26,703.11 = 12,270.87 : x
  2. Step 2: Convert to fraction form
    19,356.75/26,703.11 = 12,270.87/x
  3. Step 3: Cross multiply
    19,356.75x = 26,703.11 × 12,270.87
  4. Step 4: Simplify right side
    19,356.75x = 327,670,330.05
  5. Step 5: Solve for x
    x = 327,670,330.05/19,356.75
  6. Step 6: Final answer
    x = 16,927.96

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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.