Home / 18,607.86-27,907.20-11,113.47

Finding the Fourth Proportional to 18,607.86, 27,907.20 and 11,113.47

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Solution

The fourth proportional to 18,607.86, 27,907.20 and 11,113.47 is: 16,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.86 : 27,907.20 = 11,113.47 : x
  2. Step 2: Convert to fraction form
    18,607.86/27,907.20 = 11,113.47/x
  3. Step 3: Cross multiply
    18,607.86x = 27,907.20 × 11,113.47
  4. Step 4: Simplify right side
    18,607.86x = 310,145,829.98
  5. Step 5: Solve for x
    x = 310,145,829.98/18,607.86
  6. Step 6: Final answer
    x = 16,667.46

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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.