Home / 17,128.58-25,689.88-4,646.94

Finding the Fourth Proportional to 17,128.58, 25,689.88 and 4,646.94

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Solution

The fourth proportional to 17,128.58, 25,689.88 and 4,646.94 is: 6,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.58 : 25,689.88 = 4,646.94 : x
  2. Step 2: Convert to fraction form
    17,128.58/25,689.88 = 4,646.94/x
  3. Step 3: Cross multiply
    17,128.58x = 25,689.88 × 4,646.94
  4. Step 4: Simplify right side
    17,128.58x = 119,379,330.97
  5. Step 5: Solve for x
    x = 119,379,330.97/17,128.58
  6. Step 6: Final answer
    x = 6,969.60

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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.