Home / 11,286.12-16,810.01-10,693.40

Finding the Fourth Proportional to 11,286.12, 16,810.01 and 10,693.40

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Solution

The fourth proportional to 11,286.12, 16,810.01 and 10,693.40 is: 15,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.12 : 16,810.01 = 10,693.40 : x
  2. Step 2: Convert to fraction form
    11,286.12/16,810.01 = 10,693.40/x
  3. Step 3: Cross multiply
    11,286.12x = 16,810.01 × 10,693.40
  4. Step 4: Simplify right side
    11,286.12x = 179,756,118.91
  5. Step 5: Solve for x
    x = 179,756,118.91/11,286.12
  6. Step 6: Final answer
    x = 15,927.19

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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.