Home / 19,289.96-26,619.22-12,123.59

Finding the Fourth Proportional to 19,289.96, 26,619.22 and 12,123.59

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Solution

The fourth proportional to 19,289.96, 26,619.22 and 12,123.59 is: 16,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.96 : 26,619.22 = 12,123.59 : x
  2. Step 2: Convert to fraction form
    19,289.96/26,619.22 = 12,123.59/x
  3. Step 3: Cross multiply
    19,289.96x = 26,619.22 × 12,123.59
  4. Step 4: Simplify right side
    19,289.96x = 322,720,509.40
  5. Step 5: Solve for x
    x = 322,720,509.40/19,289.96
  6. Step 6: Final answer
    x = 16,729.97

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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.