Home / 19,088.51-28,643.93-7,994.27

Finding the Fourth Proportional to 19,088.51, 28,643.93 and 7,994.27

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Solution

The fourth proportional to 19,088.51, 28,643.93 and 7,994.27 is: 11,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.51 : 28,643.93 = 7,994.27 : x
  2. Step 2: Convert to fraction form
    19,088.51/28,643.93 = 7,994.27/x
  3. Step 3: Cross multiply
    19,088.51x = 28,643.93 × 7,994.27
  4. Step 4: Simplify right side
    19,088.51x = 228,987,127.09
  5. Step 5: Solve for x
    x = 228,987,127.09/19,088.51
  6. Step 6: Final answer
    x = 11,996.07

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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.