Home / 19,287.46-26,628.32-12,584.71

Finding the Fourth Proportional to 19,287.46, 26,628.32 and 12,584.71

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Solution

The fourth proportional to 19,287.46, 26,628.32 and 12,584.71 is: 17,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.46 : 26,628.32 = 12,584.71 : x
  2. Step 2: Convert to fraction form
    19,287.46/26,628.32 = 12,584.71/x
  3. Step 3: Cross multiply
    19,287.46x = 26,628.32 × 12,584.71
  4. Step 4: Simplify right side
    19,287.46x = 335,109,684.99
  5. Step 5: Solve for x
    x = 335,109,684.99/19,287.46
  6. Step 6: Final answer
    x = 17,374.49

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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.