Home / 16,956.89-23,395.81-9,786.31

Finding the Fourth Proportional to 16,956.89, 23,395.81 and 9,786.31

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Solution

The fourth proportional to 16,956.89, 23,395.81 and 9,786.31 is: 13,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.89 : 23,395.81 = 9,786.31 : x
  2. Step 2: Convert to fraction form
    16,956.89/23,395.81 = 9,786.31/x
  3. Step 3: Cross multiply
    16,956.89x = 23,395.81 × 9,786.31
  4. Step 4: Simplify right side
    16,956.89x = 228,958,649.36
  5. Step 5: Solve for x
    x = 228,958,649.36/16,956.89
  6. Step 6: Final answer
    x = 13,502.40

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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.