Home / 12,558.95-18,825.26-4,236.10

Finding the Fourth Proportional to 12,558.95, 18,825.26 and 4,236.10

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Solution

The fourth proportional to 12,558.95, 18,825.26 and 4,236.10 is: 6,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.95 : 18,825.26 = 4,236.10 : x
  2. Step 2: Convert to fraction form
    12,558.95/18,825.26 = 4,236.10/x
  3. Step 3: Cross multiply
    12,558.95x = 18,825.26 × 4,236.10
  4. Step 4: Simplify right side
    12,558.95x = 79,745,615.64
  5. Step 5: Solve for x
    x = 79,745,615.64/12,558.95
  6. Step 6: Final answer
    x = 6,349.70

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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.