Home / 10,214.51-15,322.65-2,818.97

Finding the Fourth Proportional to 10,214.51, 15,322.65 and 2,818.97

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Solution

The fourth proportional to 10,214.51, 15,322.65 and 2,818.97 is: 4,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.51 : 15,322.65 = 2,818.97 : x
  2. Step 2: Convert to fraction form
    10,214.51/15,322.65 = 2,818.97/x
  3. Step 3: Cross multiply
    10,214.51x = 15,322.65 × 2,818.97
  4. Step 4: Simplify right side
    10,214.51x = 43,194,083.62
  5. Step 5: Solve for x
    x = 43,194,083.62/10,214.51
  6. Step 6: Final answer
    x = 4,228.70

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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.