Home / 14,530.12-20,059.62-9,999.40

Finding the Fourth Proportional to 14,530.12, 20,059.62 and 9,999.40

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Solution

The fourth proportional to 14,530.12, 20,059.62 and 9,999.40 is: 13,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.12 : 20,059.62 = 9,999.40 : x
  2. Step 2: Convert to fraction form
    14,530.12/20,059.62 = 9,999.40/x
  3. Step 3: Cross multiply
    14,530.12x = 20,059.62 × 9,999.40
  4. Step 4: Simplify right side
    14,530.12x = 200,584,164.23
  5. Step 5: Solve for x
    x = 200,584,164.23/14,530.12
  6. Step 6: Final answer
    x = 13,804.71

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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.