Home / 9,397.80-12,942.66-9,193.72

Finding the Fourth Proportional to 9,397.80, 12,942.66 and 9,193.72

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Solution

The fourth proportional to 9,397.80, 12,942.66 and 9,193.72 is: 12,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.80 : 12,942.66 = 9,193.72 : x
  2. Step 2: Convert to fraction form
    9,397.80/12,942.66 = 9,193.72/x
  3. Step 3: Cross multiply
    9,397.80x = 12,942.66 × 9,193.72
  4. Step 4: Simplify right side
    9,397.80x = 118,991,192.10
  5. Step 5: Solve for x
    x = 118,991,192.10/9,397.80
  6. Step 6: Final answer
    x = 12,661.60

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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.