Home / 17,749.04-26,582.45-12,738.38

Finding the Fourth Proportional to 17,749.04, 26,582.45 and 12,738.38

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Solution

The fourth proportional to 17,749.04, 26,582.45 and 12,738.38 is: 19,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,749.04 : 26,582.45 = 12,738.38 : x
  2. Step 2: Convert to fraction form
    17,749.04/26,582.45 = 12,738.38/x
  3. Step 3: Cross multiply
    17,749.04x = 26,582.45 × 12,738.38
  4. Step 4: Simplify right side
    17,749.04x = 338,617,152.83
  5. Step 5: Solve for x
    x = 338,617,152.83/17,749.04
  6. Step 6: Final answer
    x = 19,078.06

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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.