Home / 19,435.64-26,813.58-11,970.68

Finding the Fourth Proportional to 19,435.64, 26,813.58 and 11,970.68

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Solution

The fourth proportional to 19,435.64, 26,813.58 and 11,970.68 is: 16,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.64 : 26,813.58 = 11,970.68 : x
  2. Step 2: Convert to fraction form
    19,435.64/26,813.58 = 11,970.68/x
  3. Step 3: Cross multiply
    19,435.64x = 26,813.58 × 11,970.68
  4. Step 4: Simplify right side
    19,435.64x = 320,976,785.83
  5. Step 5: Solve for x
    x = 320,976,785.83/19,435.64
  6. Step 6: Final answer
    x = 16,514.86

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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.