Home / 10,265.21-15,396.30-2,870.42

Finding the Fourth Proportional to 10,265.21, 15,396.30 and 2,870.42

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Solution

The fourth proportional to 10,265.21, 15,396.30 and 2,870.42 is: 4,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.21 : 15,396.30 = 2,870.42 : x
  2. Step 2: Convert to fraction form
    10,265.21/15,396.30 = 2,870.42/x
  3. Step 3: Cross multiply
    10,265.21x = 15,396.30 × 2,870.42
  4. Step 4: Simplify right side
    10,265.21x = 44,193,847.45
  5. Step 5: Solve for x
    x = 44,193,847.45/10,265.21
  6. Step 6: Final answer
    x = 4,305.21

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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.