Home / 16,243.48-22,415.54-9,170.56

Finding the Fourth Proportional to 16,243.48, 22,415.54 and 9,170.56

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Solution

The fourth proportional to 16,243.48, 22,415.54 and 9,170.56 is: 12,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.48 : 22,415.54 = 9,170.56 : x
  2. Step 2: Convert to fraction form
    16,243.48/22,415.54 = 9,170.56/x
  3. Step 3: Cross multiply
    16,243.48x = 22,415.54 × 9,170.56
  4. Step 4: Simplify right side
    16,243.48x = 205,563,054.50
  5. Step 5: Solve for x
    x = 205,563,054.50/16,243.48
  6. Step 6: Final answer
    x = 12,655.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.