Home / 19,109.36-28,623-14,694.32

Finding the Fourth Proportional to 19,109.36, 28,623 and 14,694.32

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Solution

The fourth proportional to 19,109.36, 28,623 and 14,694.32 is: 22,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.36 : 28,623 = 14,694.32 : x
  2. Step 2: Convert to fraction form
    19,109.36/28,623 = 14,694.32/x
  3. Step 3: Cross multiply
    19,109.36x = 28,623 × 14,694.32
  4. Step 4: Simplify right side
    19,109.36x = 420,595,521.36
  5. Step 5: Solve for x
    x = 420,595,521.36/19,109.36
  6. Step 6: Final answer
    x = 22,009.92

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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.