Home / 16,988.36-23,443.94-9,435.92

Finding the Fourth Proportional to 16,988.36, 23,443.94 and 9,435.92

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Solution

The fourth proportional to 16,988.36, 23,443.94 and 9,435.92 is: 13,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.36 : 23,443.94 = 9,435.92 : x
  2. Step 2: Convert to fraction form
    16,988.36/23,443.94 = 9,435.92/x
  3. Step 3: Cross multiply
    16,988.36x = 23,443.94 × 9,435.92
  4. Step 4: Simplify right side
    16,988.36x = 221,215,142.32
  5. Step 5: Solve for x
    x = 221,215,142.32/16,988.36
  6. Step 6: Final answer
    x = 13,021.57

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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.