Home / 12,273.55-18,407.93-4,777.13

Finding the Fourth Proportional to 12,273.55, 18,407.93 and 4,777.13

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Solution

The fourth proportional to 12,273.55, 18,407.93 and 4,777.13 is: 7,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.55 : 18,407.93 = 4,777.13 : x
  2. Step 2: Convert to fraction form
    12,273.55/18,407.93 = 4,777.13/x
  3. Step 3: Cross multiply
    12,273.55x = 18,407.93 × 4,777.13
  4. Step 4: Simplify right side
    12,273.55x = 87,937,096.78
  5. Step 5: Solve for x
    x = 87,937,096.78/12,273.55
  6. Step 6: Final answer
    x = 7,164.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.