Home / 9,439.12-14,160.74-2,865.80

Finding the Fourth Proportional to 9,439.12, 14,160.74 and 2,865.80

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Solution

The fourth proportional to 9,439.12, 14,160.74 and 2,865.80 is: 4,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.12 : 14,160.74 = 2,865.80 : x
  2. Step 2: Convert to fraction form
    9,439.12/14,160.74 = 2,865.80/x
  3. Step 3: Cross multiply
    9,439.12x = 14,160.74 × 2,865.80
  4. Step 4: Simplify right side
    9,439.12x = 40,581,848.69
  5. Step 5: Solve for x
    x = 40,581,848.69/9,439.12
  6. Step 6: Final answer
    x = 4,299.33

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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.