Home / 10,290.60-14,203.35-5,816.94

Finding the Fourth Proportional to 10,290.60, 14,203.35 and 5,816.94

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Solution

The fourth proportional to 10,290.60, 14,203.35 and 5,816.94 is: 8,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.60 : 14,203.35 = 5,816.94 : x
  2. Step 2: Convert to fraction form
    10,290.60/14,203.35 = 5,816.94/x
  3. Step 3: Cross multiply
    10,290.60x = 14,203.35 × 5,816.94
  4. Step 4: Simplify right side
    10,290.60x = 82,620,034.75
  5. Step 5: Solve for x
    x = 82,620,034.75/10,290.60
  6. Step 6: Final answer
    x = 8,028.69

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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.