Home / 16,982.40-23,426.19-9,907.50

Finding the Fourth Proportional to 16,982.40, 23,426.19 and 9,907.50

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Solution

The fourth proportional to 16,982.40, 23,426.19 and 9,907.50 is: 13,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.40 : 23,426.19 = 9,907.50 : x
  2. Step 2: Convert to fraction form
    16,982.40/23,426.19 = 9,907.50/x
  3. Step 3: Cross multiply
    16,982.40x = 23,426.19 × 9,907.50
  4. Step 4: Simplify right side
    16,982.40x = 232,094,977.43
  5. Step 5: Solve for x
    x = 232,094,977.43/16,982.40
  6. Step 6: Final answer
    x = 13,666.79

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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.