Home / 17,139.60-25,709.40-4,661.55

Finding the Fourth Proportional to 17,139.60, 25,709.40 and 4,661.55

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Solution

The fourth proportional to 17,139.60, 25,709.40 and 4,661.55 is: 6,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.60 : 25,709.40 = 4,661.55 : x
  2. Step 2: Convert to fraction form
    17,139.60/25,709.40 = 4,661.55/x
  3. Step 3: Cross multiply
    17,139.60x = 25,709.40 × 4,661.55
  4. Step 4: Simplify right side
    17,139.60x = 119,845,653.57
  5. Step 5: Solve for x
    x = 119,845,653.57/17,139.60
  6. Step 6: Final answer
    x = 6,992.33

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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.