Home / 14,282.09-19,709.28-7,994.47

Finding the Fourth Proportional to 14,282.09, 19,709.28 and 7,994.47

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Solution

The fourth proportional to 14,282.09, 19,709.28 and 7,994.47 is: 11,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.09 : 19,709.28 = 7,994.47 : x
  2. Step 2: Convert to fraction form
    14,282.09/19,709.28 = 7,994.47/x
  3. Step 3: Cross multiply
    14,282.09x = 19,709.28 × 7,994.47
  4. Step 4: Simplify right side
    14,282.09x = 157,565,247.68
  5. Step 5: Solve for x
    x = 157,565,247.68/14,282.09
  6. Step 6: Final answer
    x = 11,032.37

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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.