Home / 16,679.50-25,026.51-10,453.78

Finding the Fourth Proportional to 16,679.50, 25,026.51 and 10,453.78

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Solution

The fourth proportional to 16,679.50, 25,026.51 and 10,453.78 is: 15,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.50 : 25,026.51 = 10,453.78 : x
  2. Step 2: Convert to fraction form
    16,679.50/25,026.51 = 10,453.78/x
  3. Step 3: Cross multiply
    16,679.50x = 25,026.51 × 10,453.78
  4. Step 4: Simplify right side
    16,679.50x = 261,621,629.71
  5. Step 5: Solve for x
    x = 261,621,629.71/16,679.50
  6. Step 6: Final answer
    x = 15,685.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.