Home / 16,979.15-23,428.74-9,425.54

Finding the Fourth Proportional to 16,979.15, 23,428.74 and 9,425.54

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Solution

The fourth proportional to 16,979.15, 23,428.74 and 9,425.54 is: 13,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.15 : 23,428.74 = 9,425.54 : x
  2. Step 2: Convert to fraction form
    16,979.15/23,428.74 = 9,425.54/x
  3. Step 3: Cross multiply
    16,979.15x = 23,428.74 × 9,425.54
  4. Step 4: Simplify right side
    16,979.15x = 220,828,526.02
  5. Step 5: Solve for x
    x = 220,828,526.02/16,979.15
  6. Step 6: Final answer
    x = 13,005.86

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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.