Home / 16,988.94-23,443.26-9,435.15

Finding the Fourth Proportional to 16,988.94, 23,443.26 and 9,435.15

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Solution

The fourth proportional to 16,988.94, 23,443.26 and 9,435.15 is: 13,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.94 : 23,443.26 = 9,435.15 : x
  2. Step 2: Convert to fraction form
    16,988.94/23,443.26 = 9,435.15/x
  3. Step 3: Cross multiply
    16,988.94x = 23,443.26 × 9,435.15
  4. Step 4: Simplify right side
    16,988.94x = 221,190,674.59
  5. Step 5: Solve for x
    x = 221,190,674.59/16,988.94
  6. Step 6: Final answer
    x = 13,019.69

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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.