Home / 9,365.55-12,921.35-6,180.42

Finding the Fourth Proportional to 9,365.55, 12,921.35 and 6,180.42

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Solution

The fourth proportional to 9,365.55, 12,921.35 and 6,180.42 is: 8,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.55 : 12,921.35 = 6,180.42 : x
  2. Step 2: Convert to fraction form
    9,365.55/12,921.35 = 6,180.42/x
  3. Step 3: Cross multiply
    9,365.55x = 12,921.35 × 6,180.42
  4. Step 4: Simplify right side
    9,365.55x = 79,859,369.97
  5. Step 5: Solve for x
    x = 79,859,369.97/9,365.55
  6. Step 6: Final answer
    x = 8,526.93

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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.