Home / 10,855.23-16,191.57-9,858.62

Finding the Fourth Proportional to 10,855.23, 16,191.57 and 9,858.62

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Solution

The fourth proportional to 10,855.23, 16,191.57 and 9,858.62 is: 14,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.23 : 16,191.57 = 9,858.62 : x
  2. Step 2: Convert to fraction form
    10,855.23/16,191.57 = 9,858.62/x
  3. Step 3: Cross multiply
    10,855.23x = 16,191.57 × 9,858.62
  4. Step 4: Simplify right side
    10,855.23x = 159,626,613.28
  5. Step 5: Solve for x
    x = 159,626,613.28/10,855.23
  6. Step 6: Final answer
    x = 14,705.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.