Home / 14,133.96-21,200.40-9,992.16

Finding the Fourth Proportional to 14,133.96, 21,200.40 and 9,992.16

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Solution

The fourth proportional to 14,133.96, 21,200.40 and 9,992.16 is: 14,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.96 : 21,200.40 = 9,992.16 : x
  2. Step 2: Convert to fraction form
    14,133.96/21,200.40 = 9,992.16/x
  3. Step 3: Cross multiply
    14,133.96x = 21,200.40 × 9,992.16
  4. Step 4: Simplify right side
    14,133.96x = 211,837,788.86
  5. Step 5: Solve for x
    x = 211,837,788.86/14,133.96
  6. Step 6: Final answer
    x = 14,987.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.