Home / 19,270.36-26,561.28-12,894.67

Finding the Fourth Proportional to 19,270.36, 26,561.28 and 12,894.67

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Solution

The fourth proportional to 19,270.36, 26,561.28 and 12,894.67 is: 17,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.36 : 26,561.28 = 12,894.67 : x
  2. Step 2: Convert to fraction form
    19,270.36/26,561.28 = 12,894.67/x
  3. Step 3: Cross multiply
    19,270.36x = 26,561.28 × 12,894.67
  4. Step 4: Simplify right side
    19,270.36x = 342,498,940.38
  5. Step 5: Solve for x
    x = 342,498,940.38/19,270.36
  6. Step 6: Final answer
    x = 17,773.35

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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.