Home / 16,866.82-25,301.43-6,478.57

Finding the Fourth Proportional to 16,866.82, 25,301.43 and 6,478.57

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Solution

The fourth proportional to 16,866.82, 25,301.43 and 6,478.57 is: 9,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.82 : 25,301.43 = 6,478.57 : x
  2. Step 2: Convert to fraction form
    16,866.82/25,301.43 = 6,478.57/x
  3. Step 3: Cross multiply
    16,866.82x = 25,301.43 × 6,478.57
  4. Step 4: Simplify right side
    16,866.82x = 163,917,085.36
  5. Step 5: Solve for x
    x = 163,917,085.36/16,866.82
  6. Step 6: Final answer
    x = 9,718.32

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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.