Home / 14,162.82-19,544.63-7,875.19

Finding the Fourth Proportional to 14,162.82, 19,544.63 and 7,875.19

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Solution

The fourth proportional to 14,162.82, 19,544.63 and 7,875.19 is: 10,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.82 : 19,544.63 = 7,875.19 : x
  2. Step 2: Convert to fraction form
    14,162.82/19,544.63 = 7,875.19/x
  3. Step 3: Cross multiply
    14,162.82x = 19,544.63 × 7,875.19
  4. Step 4: Simplify right side
    14,162.82x = 153,917,674.73
  5. Step 5: Solve for x
    x = 153,917,674.73/14,162.82
  6. Step 6: Final answer
    x = 10,867.73

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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.