Home / 9,438.87-14,160.01-3,889.13

Finding the Fourth Proportional to 9,438.87, 14,160.01 and 3,889.13

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Solution

The fourth proportional to 9,438.87, 14,160.01 and 3,889.13 is: 5,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.87 : 14,160.01 = 3,889.13 : x
  2. Step 2: Convert to fraction form
    9,438.87/14,160.01 = 3,889.13/x
  3. Step 3: Cross multiply
    9,438.87x = 14,160.01 × 3,889.13
  4. Step 4: Simplify right side
    9,438.87x = 55,070,119.69
  5. Step 5: Solve for x
    x = 55,070,119.69/9,438.87
  6. Step 6: Final answer
    x = 5,834.40

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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.