Home / 16,865.21-25,291.87-5,617.49

Finding the Fourth Proportional to 16,865.21, 25,291.87 and 5,617.49

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Solution

The fourth proportional to 16,865.21, 25,291.87 and 5,617.49 is: 8,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.21 : 25,291.87 = 5,617.49 : x
  2. Step 2: Convert to fraction form
    16,865.21/25,291.87 = 5,617.49/x
  3. Step 3: Cross multiply
    16,865.21x = 25,291.87 × 5,617.49
  4. Step 4: Simplify right side
    16,865.21x = 142,076,875.99
  5. Step 5: Solve for x
    x = 142,076,875.99/16,865.21
  6. Step 6: Final answer
    x = 8,424.26

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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.