Home / 11,859.45-16,365.21-6,554.46

Finding the Fourth Proportional to 11,859.45, 16,365.21 and 6,554.46

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Solution

The fourth proportional to 11,859.45, 16,365.21 and 6,554.46 is: 9,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.45 : 16,365.21 = 6,554.46 : x
  2. Step 2: Convert to fraction form
    11,859.45/16,365.21 = 6,554.46/x
  3. Step 3: Cross multiply
    11,859.45x = 16,365.21 × 6,554.46
  4. Step 4: Simplify right side
    11,859.45x = 107,265,114.34
  5. Step 5: Solve for x
    x = 107,265,114.34/11,859.45
  6. Step 6: Final answer
    x = 9,044.70

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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.