Home / 17,139.60-25,707.66-11,628.36

Finding the Fourth Proportional to 17,139.60, 25,707.66 and 11,628.36

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Solution

The fourth proportional to 17,139.60, 25,707.66 and 11,628.36 is: 17,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.60 : 25,707.66 = 11,628.36 : x
  2. Step 2: Convert to fraction form
    17,139.60/25,707.66 = 11,628.36/x
  3. Step 3: Cross multiply
    17,139.60x = 25,707.66 × 11,628.36
  4. Step 4: Simplify right side
    17,139.60x = 298,937,925.24
  5. Step 5: Solve for x
    x = 298,937,925.24/17,139.60
  6. Step 6: Final answer
    x = 17,441.36

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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.