Home / 16,649.35-25,007.23-10,420.45

Finding the Fourth Proportional to 16,649.35, 25,007.23 and 10,420.45

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Solution

The fourth proportional to 16,649.35, 25,007.23 and 10,420.45 is: 15,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.35 : 25,007.23 = 10,420.45 : x
  2. Step 2: Convert to fraction form
    16,649.35/25,007.23 = 10,420.45/x
  3. Step 3: Cross multiply
    16,649.35x = 25,007.23 × 10,420.45
  4. Step 4: Simplify right side
    16,649.35x = 260,586,540.36
  5. Step 5: Solve for x
    x = 260,586,540.36/16,649.35
  6. Step 6: Final answer
    x = 15,651.46

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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.