Home / 19,210.64-26,494.43-12,491.15

Finding the Fourth Proportional to 19,210.64, 26,494.43 and 12,491.15

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Solution

The fourth proportional to 19,210.64, 26,494.43 and 12,491.15 is: 17,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.64 : 26,494.43 = 12,491.15 : x
  2. Step 2: Convert to fraction form
    19,210.64/26,494.43 = 12,491.15/x
  3. Step 3: Cross multiply
    19,210.64x = 26,494.43 × 12,491.15
  4. Step 4: Simplify right side
    19,210.64x = 330,945,704.37
  5. Step 5: Solve for x
    x = 330,945,704.37/19,210.64
  6. Step 6: Final answer
    x = 17,227.21

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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.