Home / 9,312.93-12,862.85-7,173.27

Finding the Fourth Proportional to 9,312.93, 12,862.85 and 7,173.27

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Solution

The fourth proportional to 9,312.93, 12,862.85 and 7,173.27 is: 9,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.93 : 12,862.85 = 7,173.27 : x
  2. Step 2: Convert to fraction form
    9,312.93/12,862.85 = 7,173.27/x
  3. Step 3: Cross multiply
    9,312.93x = 12,862.85 × 7,173.27
  4. Step 4: Simplify right side
    9,312.93x = 92,268,660.15
  5. Step 5: Solve for x
    x = 92,268,660.15/9,312.93
  6. Step 6: Final answer
    x = 9,907.59

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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.