Home / 11,999.42-16,544.48-9,867.50

Finding the Fourth Proportional to 11,999.42, 16,544.48 and 9,867.50

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Solution

The fourth proportional to 11,999.42, 16,544.48 and 9,867.50 is: 13,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.42 : 16,544.48 = 9,867.50 : x
  2. Step 2: Convert to fraction form
    11,999.42/16,544.48 = 9,867.50/x
  3. Step 3: Cross multiply
    11,999.42x = 16,544.48 × 9,867.50
  4. Step 4: Simplify right side
    11,999.42x = 163,252,656.40
  5. Step 5: Solve for x
    x = 163,252,656.40/11,999.42
  6. Step 6: Final answer
    x = 13,605.05

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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.