Home / 10,267.80-15,390.90-4,025.40

Finding the Fourth Proportional to 10,267.80, 15,390.90 and 4,025.40

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Solution

The fourth proportional to 10,267.80, 15,390.90 and 4,025.40 is: 6,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.80 : 15,390.90 = 4,025.40 : x
  2. Step 2: Convert to fraction form
    10,267.80/15,390.90 = 4,025.40/x
  3. Step 3: Cross multiply
    10,267.80x = 15,390.90 × 4,025.40
  4. Step 4: Simplify right side
    10,267.80x = 61,954,528.86
  5. Step 5: Solve for x
    x = 61,954,528.86/10,267.80
  6. Step 6: Final answer
    x = 6,033.87

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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.