Home / 19,799.18-27,323.04-11,415.68

Finding the Fourth Proportional to 19,799.18, 27,323.04 and 11,415.68

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Solution

The fourth proportional to 19,799.18, 27,323.04 and 11,415.68 is: 15,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.18 : 27,323.04 = 11,415.68 : x
  2. Step 2: Convert to fraction form
    19,799.18/27,323.04 = 11,415.68/x
  3. Step 3: Cross multiply
    19,799.18x = 27,323.04 × 11,415.68
  4. Step 4: Simplify right side
    19,799.18x = 311,911,081.27
  5. Step 5: Solve for x
    x = 311,911,081.27/19,799.18
  6. Step 6: Final answer
    x = 15,753.74

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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.