Home / 18,740.52-28,110.77-6,258.21

Finding the Fourth Proportional to 18,740.52, 28,110.77 and 6,258.21

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Solution

The fourth proportional to 18,740.52, 28,110.77 and 6,258.21 is: 9,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.52 : 28,110.77 = 6,258.21 : x
  2. Step 2: Convert to fraction form
    18,740.52/28,110.77 = 6,258.21/x
  3. Step 3: Cross multiply
    18,740.52x = 28,110.77 × 6,258.21
  4. Step 4: Simplify right side
    18,740.52x = 175,923,070.63
  5. Step 5: Solve for x
    x = 175,923,070.63/18,740.52
  6. Step 6: Final answer
    x = 9,387.31

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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.