Home / 18,530.07-27,795.05-14,319.44

Finding the Fourth Proportional to 18,530.07, 27,795.05 and 14,319.44

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Solution

The fourth proportional to 18,530.07, 27,795.05 and 14,319.44 is: 21,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.07 : 27,795.05 = 14,319.44 : x
  2. Step 2: Convert to fraction form
    18,530.07/27,795.05 = 14,319.44/x
  3. Step 3: Cross multiply
    18,530.07x = 27,795.05 × 14,319.44
  4. Step 4: Simplify right side
    18,530.07x = 398,009,340.20
  5. Step 5: Solve for x
    x = 398,009,340.20/18,530.07
  6. Step 6: Final answer
    x = 21,479.11

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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.