Home / 9,370.90-12,925.83-7,380.64

Finding the Fourth Proportional to 9,370.90, 12,925.83 and 7,380.64

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Solution

The fourth proportional to 9,370.90, 12,925.83 and 7,380.64 is: 10,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.90 : 12,925.83 = 7,380.64 : x
  2. Step 2: Convert to fraction form
    9,370.90/12,925.83 = 7,380.64/x
  3. Step 3: Cross multiply
    9,370.90x = 12,925.83 × 7,380.64
  4. Step 4: Simplify right side
    9,370.90x = 95,400,897.93
  5. Step 5: Solve for x
    x = 95,400,897.93/9,370.90
  6. Step 6: Final answer
    x = 10,180.55

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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.