Home / 9,431.45-14,148.64-2,856.07

Finding the Fourth Proportional to 9,431.45, 14,148.64 and 2,856.07

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Solution

The fourth proportional to 9,431.45, 14,148.64 and 2,856.07 is: 4,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.45 : 14,148.64 = 2,856.07 : x
  2. Step 2: Convert to fraction form
    9,431.45/14,148.64 = 2,856.07/x
  3. Step 3: Cross multiply
    9,431.45x = 14,148.64 × 2,856.07
  4. Step 4: Simplify right side
    9,431.45x = 40,409,527.50
  5. Step 5: Solve for x
    x = 40,409,527.50/9,431.45
  6. Step 6: Final answer
    x = 4,284.55

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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.