Home / 19,658.75-27,128.67-10,706.41

Finding the Fourth Proportional to 19,658.75, 27,128.67 and 10,706.41

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Solution

The fourth proportional to 19,658.75, 27,128.67 and 10,706.41 is: 14,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.75 : 27,128.67 = 10,706.41 : x
  2. Step 2: Convert to fraction form
    19,658.75/27,128.67 = 10,706.41/x
  3. Step 3: Cross multiply
    19,658.75x = 27,128.67 × 10,706.41
  4. Step 4: Simplify right side
    19,658.75x = 290,450,663.77
  5. Step 5: Solve for x
    x = 290,450,663.77/19,658.75
  6. Step 6: Final answer
    x = 14,774.63

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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.