Home / 12,359.25-18,538.30-4,038.22

Finding the Fourth Proportional to 12,359.25, 18,538.30 and 4,038.22

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Solution

The fourth proportional to 12,359.25, 18,538.30 and 4,038.22 is: 6,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.25 : 18,538.30 = 4,038.22 : x
  2. Step 2: Convert to fraction form
    12,359.25/18,538.30 = 4,038.22/x
  3. Step 3: Cross multiply
    12,359.25x = 18,538.30 × 4,038.22
  4. Step 4: Simplify right side
    12,359.25x = 74,861,762.05
  5. Step 5: Solve for x
    x = 74,861,762.05/12,359.25
  6. Step 6: Final answer
    x = 6,057.14

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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.