Home / 16,770.04-23,141.64-9,318.04

Finding the Fourth Proportional to 16,770.04, 23,141.64 and 9,318.04

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Solution

The fourth proportional to 16,770.04, 23,141.64 and 9,318.04 is: 12,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.04 : 23,141.64 = 9,318.04 : x
  2. Step 2: Convert to fraction form
    16,770.04/23,141.64 = 9,318.04/x
  3. Step 3: Cross multiply
    16,770.04x = 23,141.64 × 9,318.04
  4. Step 4: Simplify right side
    16,770.04x = 215,634,727.19
  5. Step 5: Solve for x
    x = 215,634,727.19/16,770.04
  6. Step 6: Final answer
    x = 12,858.33

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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.