Home / 10,678.23-16,017.39-6,290.46

Finding the Fourth Proportional to 10,678.23, 16,017.39 and 6,290.46

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Solution

The fourth proportional to 10,678.23, 16,017.39 and 6,290.46 is: 9,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.23 : 16,017.39 = 6,290.46 : x
  2. Step 2: Convert to fraction form
    10,678.23/16,017.39 = 6,290.46/x
  3. Step 3: Cross multiply
    10,678.23x = 16,017.39 × 6,290.46
  4. Step 4: Simplify right side
    10,678.23x = 100,756,751.10
  5. Step 5: Solve for x
    x = 100,756,751.10/10,678.23
  6. Step 6: Final answer
    x = 9,435.72

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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.