Home / 9,928.85-13,708.23-6,156.02

Finding the Fourth Proportional to 9,928.85, 13,708.23 and 6,156.02

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Solution

The fourth proportional to 9,928.85, 13,708.23 and 6,156.02 is: 8,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.85 : 13,708.23 = 6,156.02 : x
  2. Step 2: Convert to fraction form
    9,928.85/13,708.23 = 6,156.02/x
  3. Step 3: Cross multiply
    9,928.85x = 13,708.23 × 6,156.02
  4. Step 4: Simplify right side
    9,928.85x = 84,388,156.93
  5. Step 5: Solve for x
    x = 84,388,156.93/9,928.85
  6. Step 6: Final answer
    x = 8,499.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.