Home / 19,468.74-26,857.47-12,751.41

Finding the Fourth Proportional to 19,468.74, 26,857.47 and 12,751.41

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Solution

The fourth proportional to 19,468.74, 26,857.47 and 12,751.41 is: 17,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.74 : 26,857.47 = 12,751.41 : x
  2. Step 2: Convert to fraction form
    19,468.74/26,857.47 = 12,751.41/x
  3. Step 3: Cross multiply
    19,468.74x = 26,857.47 × 12,751.41
  4. Step 4: Simplify right side
    19,468.74x = 342,470,611.53
  5. Step 5: Solve for x
    x = 342,470,611.53/19,468.74
  6. Step 6: Final answer
    x = 17,590.79

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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.