Home / 14,007.08-20,992.80-7,436.36

Finding the Fourth Proportional to 14,007.08, 20,992.80 and 7,436.36

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Solution

The fourth proportional to 14,007.08, 20,992.80 and 7,436.36 is: 11,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.08 : 20,992.80 = 7,436.36 : x
  2. Step 2: Convert to fraction form
    14,007.08/20,992.80 = 7,436.36/x
  3. Step 3: Cross multiply
    14,007.08x = 20,992.80 × 7,436.36
  4. Step 4: Simplify right side
    14,007.08x = 156,110,018.21
  5. Step 5: Solve for x
    x = 156,110,018.21/14,007.08
  6. Step 6: Final answer
    x = 11,145.08

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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.