Home / 19,290.78-26,622.03-11,332.94

Finding the Fourth Proportional to 19,290.78, 26,622.03 and 11,332.94

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Solution

The fourth proportional to 19,290.78, 26,622.03 and 11,332.94 is: 15,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.78 : 26,622.03 = 11,332.94 : x
  2. Step 2: Convert to fraction form
    19,290.78/26,622.03 = 11,332.94/x
  3. Step 3: Cross multiply
    19,290.78x = 26,622.03 × 11,332.94
  4. Step 4: Simplify right side
    19,290.78x = 301,705,778.06
  5. Step 5: Solve for x
    x = 301,705,778.06/19,290.78
  6. Step 6: Final answer
    x = 15,639.90

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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.