Home / 16,478.54-22,744.45-9,409.06

Finding the Fourth Proportional to 16,478.54, 22,744.45 and 9,409.06

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Solution

The fourth proportional to 16,478.54, 22,744.45 and 9,409.06 is: 12,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.54 : 22,744.45 = 9,409.06 : x
  2. Step 2: Convert to fraction form
    16,478.54/22,744.45 = 9,409.06/x
  3. Step 3: Cross multiply
    16,478.54x = 22,744.45 × 9,409.06
  4. Step 4: Simplify right side
    16,478.54x = 214,003,733.95
  5. Step 5: Solve for x
    x = 214,003,733.95/16,478.54
  6. Step 6: Final answer
    x = 12,986.82

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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.