Home / 16,878.29-23,291.34-9,707.66

Finding the Fourth Proportional to 16,878.29, 23,291.34 and 9,707.66

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Solution

The fourth proportional to 16,878.29, 23,291.34 and 9,707.66 is: 13,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.29 : 23,291.34 = 9,707.66 : x
  2. Step 2: Convert to fraction form
    16,878.29/23,291.34 = 9,707.66/x
  3. Step 3: Cross multiply
    16,878.29x = 23,291.34 × 9,707.66
  4. Step 4: Simplify right side
    16,878.29x = 226,104,467.89
  5. Step 5: Solve for x
    x = 226,104,467.89/16,878.29
  6. Step 6: Final answer
    x = 13,396.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.