Home / 19,579.35-27,018.59-10,626.78

Finding the Fourth Proportional to 19,579.35, 27,018.59 and 10,626.78

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Solution

The fourth proportional to 19,579.35, 27,018.59 and 10,626.78 is: 14,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.35 : 27,018.59 = 10,626.78 : x
  2. Step 2: Convert to fraction form
    19,579.35/27,018.59 = 10,626.78/x
  3. Step 3: Cross multiply
    19,579.35x = 27,018.59 × 10,626.78
  4. Step 4: Simplify right side
    19,579.35x = 287,120,558.71
  5. Step 5: Solve for x
    x = 287,120,558.71/19,579.35
  6. Step 6: Final answer
    x = 14,664.46

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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.