Home / 10,078.60-15,110.70-4,527.40

Finding the Fourth Proportional to 10,078.60, 15,110.70 and 4,527.40

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Solution

The fourth proportional to 10,078.60, 15,110.70 and 4,527.40 is: 6,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.60 : 15,110.70 = 4,527.40 : x
  2. Step 2: Convert to fraction form
    10,078.60/15,110.70 = 4,527.40/x
  3. Step 3: Cross multiply
    10,078.60x = 15,110.70 × 4,527.40
  4. Step 4: Simplify right side
    10,078.60x = 68,412,183.18
  5. Step 5: Solve for x
    x = 68,412,183.18/10,078.60
  6. Step 6: Final answer
    x = 6,787.87

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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.