Home / 18,859.95-28,293.39-6,210.44

Finding the Fourth Proportional to 18,859.95, 28,293.39 and 6,210.44

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Solution

The fourth proportional to 18,859.95, 28,293.39 and 6,210.44 is: 9,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.95 : 28,293.39 = 6,210.44 : x
  2. Step 2: Convert to fraction form
    18,859.95/28,293.39 = 6,210.44/x
  3. Step 3: Cross multiply
    18,859.95x = 28,293.39 × 6,210.44
  4. Step 4: Simplify right side
    18,859.95x = 175,714,259.52
  5. Step 5: Solve for x
    x = 175,714,259.52/18,859.95
  6. Step 6: Final answer
    x = 9,316.79

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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.