Home / 17,811.54-26,735.72-13,136.76

Finding the Fourth Proportional to 17,811.54, 26,735.72 and 13,136.76

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Solution

The fourth proportional to 17,811.54, 26,735.72 and 13,136.76 is: 19,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.54 : 26,735.72 = 13,136.76 : x
  2. Step 2: Convert to fraction form
    17,811.54/26,735.72 = 13,136.76/x
  3. Step 3: Cross multiply
    17,811.54x = 26,735.72 × 13,136.76
  4. Step 4: Simplify right side
    17,811.54x = 351,220,737.07
  5. Step 5: Solve for x
    x = 351,220,737.07/17,811.54
  6. Step 6: Final answer
    x = 19,718.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.