Home / 11,430.24-17,133.67-3,931.55

Finding the Fourth Proportional to 11,430.24, 17,133.67 and 3,931.55

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Solution

The fourth proportional to 11,430.24, 17,133.67 and 3,931.55 is: 5,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.24 : 17,133.67 = 3,931.55 : x
  2. Step 2: Convert to fraction form
    11,430.24/17,133.67 = 3,931.55/x
  3. Step 3: Cross multiply
    11,430.24x = 17,133.67 × 3,931.55
  4. Step 4: Simplify right side
    11,430.24x = 67,361,880.29
  5. Step 5: Solve for x
    x = 67,361,880.29/11,430.24
  6. Step 6: Final answer
    x = 5,893.30

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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.