Home / 18,917.76-26,106.48-10,536.24

Finding the Fourth Proportional to 18,917.76, 26,106.48 and 10,536.24

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Solution

The fourth proportional to 18,917.76, 26,106.48 and 10,536.24 is: 14,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917.76 : 26,106.48 = 10,536.24 : x
  2. Step 2: Convert to fraction form
    18,917.76/26,106.48 = 10,536.24/x
  3. Step 3: Cross multiply
    18,917.76x = 26,106.48 × 10,536.24
  4. Step 4: Simplify right side
    18,917.76x = 275,064,138.84
  5. Step 5: Solve for x
    x = 275,064,138.84/18,917.76
  6. Step 6: Final answer
    x = 14,540.00

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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.