Home / 10,284.96-15,426.23-2,685.74

Finding the Fourth Proportional to 10,284.96, 15,426.23 and 2,685.74

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Solution

The fourth proportional to 10,284.96, 15,426.23 and 2,685.74 is: 4,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.96 : 15,426.23 = 2,685.74 : x
  2. Step 2: Convert to fraction form
    10,284.96/15,426.23 = 2,685.74/x
  3. Step 3: Cross multiply
    10,284.96x = 15,426.23 × 2,685.74
  4. Step 4: Simplify right side
    10,284.96x = 41,430,752.40
  5. Step 5: Solve for x
    x = 41,430,752.40/10,284.96
  6. Step 6: Final answer
    x = 4,028.29

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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.