Home / 12,605.37-18,909.90-4,707.24

Finding the Fourth Proportional to 12,605.37, 18,909.90 and 4,707.24

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Solution

The fourth proportional to 12,605.37, 18,909.90 and 4,707.24 is: 7,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.37 : 18,909.90 = 4,707.24 : x
  2. Step 2: Convert to fraction form
    12,605.37/18,909.90 = 4,707.24/x
  3. Step 3: Cross multiply
    12,605.37x = 18,909.90 × 4,707.24
  4. Step 4: Simplify right side
    12,605.37x = 89,013,437.68
  5. Step 5: Solve for x
    x = 89,013,437.68/12,605.37
  6. Step 6: Final answer
    x = 7,061.55

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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.