Home / 17,955.36-24,781.80-11,894.88

Finding the Fourth Proportional to 17,955.36, 24,781.80 and 11,894.88

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Solution

The fourth proportional to 17,955.36, 24,781.80 and 11,894.88 is: 16,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.36 : 24,781.80 = 11,894.88 : x
  2. Step 2: Convert to fraction form
    17,955.36/24,781.80 = 11,894.88/x
  3. Step 3: Cross multiply
    17,955.36x = 24,781.80 × 11,894.88
  4. Step 4: Simplify right side
    17,955.36x = 294,776,537.18
  5. Step 5: Solve for x
    x = 294,776,537.18/17,955.36
  6. Step 6: Final answer
    x = 16,417.19

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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.