Home / 16,845.12-25,272.36-6,457.68

Finding the Fourth Proportional to 16,845.12, 25,272.36 and 6,457.68

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Solution

The fourth proportional to 16,845.12, 25,272.36 and 6,457.68 is: 9,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.12 : 25,272.36 = 6,457.68 : x
  2. Step 2: Convert to fraction form
    16,845.12/25,272.36 = 6,457.68/x
  3. Step 3: Cross multiply
    16,845.12x = 25,272.36 × 6,457.68
  4. Step 4: Simplify right side
    16,845.12x = 163,200,813.72
  5. Step 5: Solve for x
    x = 163,200,813.72/16,845.12
  6. Step 6: Final answer
    x = 9,688.31

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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.