Home / 12,349.28-18,534.40-4,958.74

Finding the Fourth Proportional to 12,349.28, 18,534.40 and 4,958.74

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Solution

The fourth proportional to 12,349.28, 18,534.40 and 4,958.74 is: 7,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.28 : 18,534.40 = 4,958.74 : x
  2. Step 2: Convert to fraction form
    12,349.28/18,534.40 = 4,958.74/x
  3. Step 3: Cross multiply
    12,349.28x = 18,534.40 × 4,958.74
  4. Step 4: Simplify right side
    12,349.28x = 91,907,270.66
  5. Step 5: Solve for x
    x = 91,907,270.66/12,349.28
  6. Step 6: Final answer
    x = 7,442.32

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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.