Home / 18,963-26,170.20-10,579.68

Finding the Fourth Proportional to 18,963, 26,170.20 and 10,579.68

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Solution

The fourth proportional to 18,963, 26,170.20 and 10,579.68 is: 14,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963 : 26,170.20 = 10,579.68 : x
  2. Step 2: Convert to fraction form
    18,963/26,170.20 = 10,579.68/x
  3. Step 3: Cross multiply
    18,963x = 26,170.20 × 10,579.68
  4. Step 4: Simplify right side
    18,963x = 276,872,341.54
  5. Step 5: Solve for x
    x = 276,872,341.54/18,963
  6. Step 6: Final answer
    x = 14,600.66

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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.