Home / 12,440.86-18,660.94-5,045.16

Finding the Fourth Proportional to 12,440.86, 18,660.94 and 5,045.16

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Solution

The fourth proportional to 12,440.86, 18,660.94 and 5,045.16 is: 7,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.86 : 18,660.94 = 5,045.16 : x
  2. Step 2: Convert to fraction form
    12,440.86/18,660.94 = 5,045.16/x
  3. Step 3: Cross multiply
    12,440.86x = 18,660.94 × 5,045.16
  4. Step 4: Simplify right side
    12,440.86x = 94,147,428.05
  5. Step 5: Solve for x
    x = 94,147,428.05/12,440.86
  6. Step 6: Final answer
    x = 7,567.60

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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.