Home / 19,270.75-26,597.93-11,715.48

Finding the Fourth Proportional to 19,270.75, 26,597.93 and 11,715.48

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Solution

The fourth proportional to 19,270.75, 26,597.93 and 11,715.48 is: 16,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.75 : 26,597.93 = 11,715.48 : x
  2. Step 2: Convert to fraction form
    19,270.75/26,597.93 = 11,715.48/x
  3. Step 3: Cross multiply
    19,270.75x = 26,597.93 × 11,715.48
  4. Step 4: Simplify right side
    19,270.75x = 311,607,516.96
  5. Step 5: Solve for x
    x = 311,607,516.96/19,270.75
  6. Step 6: Final answer
    x = 16,169.97

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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.