Home / 18,984.58-26,188.34-11,426.36

Finding the Fourth Proportional to 18,984.58, 26,188.34 and 11,426.36

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Solution

The fourth proportional to 18,984.58, 26,188.34 and 11,426.36 is: 15,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.58 : 26,188.34 = 11,426.36 : x
  2. Step 2: Convert to fraction form
    18,984.58/26,188.34 = 11,426.36/x
  3. Step 3: Cross multiply
    18,984.58x = 26,188.34 × 11,426.36
  4. Step 4: Simplify right side
    18,984.58x = 299,237,212.57
  5. Step 5: Solve for x
    x = 299,237,212.57/18,984.58
  6. Step 6: Final answer
    x = 15,762.12

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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.