Home / 16,969.10-25,465.80-7,115.45

Finding the Fourth Proportional to 16,969.10, 25,465.80 and 7,115.45

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Solution

The fourth proportional to 16,969.10, 25,465.80 and 7,115.45 is: 10,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.10 : 25,465.80 = 7,115.45 : x
  2. Step 2: Convert to fraction form
    16,969.10/25,465.80 = 7,115.45/x
  3. Step 3: Cross multiply
    16,969.10x = 25,465.80 × 7,115.45
  4. Step 4: Simplify right side
    16,969.10x = 181,200,626.61
  5. Step 5: Solve for x
    x = 181,200,626.61/16,969.10
  6. Step 6: Final answer
    x = 10,678.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.