Home / 9,307.52-12,847.76-6,164.72

Finding the Fourth Proportional to 9,307.52, 12,847.76 and 6,164.72

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Solution

The fourth proportional to 9,307.52, 12,847.76 and 6,164.72 is: 8,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.52 : 12,847.76 = 6,164.72 : x
  2. Step 2: Convert to fraction form
    9,307.52/12,847.76 = 6,164.72/x
  3. Step 3: Cross multiply
    9,307.52x = 12,847.76 × 6,164.72
  4. Step 4: Simplify right side
    9,307.52x = 79,202,843.03
  5. Step 5: Solve for x
    x = 79,202,843.03/9,307.52
  6. Step 6: Final answer
    x = 8,509.55

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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.