Home / 19,035.09-26,280.35-12,231.87

Finding the Fourth Proportional to 19,035.09, 26,280.35 and 12,231.87

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Solution

The fourth proportional to 19,035.09, 26,280.35 and 12,231.87 is: 16,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.09 : 26,280.35 = 12,231.87 : x
  2. Step 2: Convert to fraction form
    19,035.09/26,280.35 = 12,231.87/x
  3. Step 3: Cross multiply
    19,035.09x = 26,280.35 × 12,231.87
  4. Step 4: Simplify right side
    19,035.09x = 321,457,763.60
  5. Step 5: Solve for x
    x = 321,457,763.60/19,035.09
  6. Step 6: Final answer
    x = 16,887.64

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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.