Home / 11,924.18-16,456.90-7,208.46

Finding the Fourth Proportional to 11,924.18, 16,456.90 and 7,208.46

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Solution

The fourth proportional to 11,924.18, 16,456.90 and 7,208.46 is: 9,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.18 : 16,456.90 = 7,208.46 : x
  2. Step 2: Convert to fraction form
    11,924.18/16,456.90 = 7,208.46/x
  3. Step 3: Cross multiply
    11,924.18x = 16,456.90 × 7,208.46
  4. Step 4: Simplify right side
    11,924.18x = 118,628,905.37
  5. Step 5: Solve for x
    x = 118,628,905.37/11,924.18
  6. Step 6: Final answer
    x = 9,948.60

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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.