Home / 17,320.40-26,004.60-11,118.80

Finding the Fourth Proportional to 17,320.40, 26,004.60 and 11,118.80

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Solution

The fourth proportional to 17,320.40, 26,004.60 and 11,118.80 is: 16,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.40 : 26,004.60 = 11,118.80 : x
  2. Step 2: Convert to fraction form
    17,320.40/26,004.60 = 11,118.80/x
  3. Step 3: Cross multiply
    17,320.40x = 26,004.60 × 11,118.80
  4. Step 4: Simplify right side
    17,320.40x = 289,139,946.48
  5. Step 5: Solve for x
    x = 289,139,946.48/17,320.40
  6. Step 6: Final answer
    x = 16,693.61

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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.