Home / 10,194.71-15,291.38-2,798.55

Finding the Fourth Proportional to 10,194.71, 15,291.38 and 2,798.55

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Solution

The fourth proportional to 10,194.71, 15,291.38 and 2,798.55 is: 4,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.71 : 15,291.38 = 2,798.55 : x
  2. Step 2: Convert to fraction form
    10,194.71/15,291.38 = 2,798.55/x
  3. Step 3: Cross multiply
    10,194.71x = 15,291.38 × 2,798.55
  4. Step 4: Simplify right side
    10,194.71x = 42,793,677.51
  5. Step 5: Solve for x
    x = 42,793,677.51/10,194.71
  6. Step 6: Final answer
    x = 4,197.64

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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.