Home / 16,106.45-22,215.65-15,564.56

Finding the Fourth Proportional to 16,106.45, 22,215.65 and 15,564.56

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Solution

The fourth proportional to 16,106.45, 22,215.65 and 15,564.56 is: 21,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.45 : 22,215.65 = 15,564.56 : x
  2. Step 2: Convert to fraction form
    16,106.45/22,215.65 = 15,564.56/x
  3. Step 3: Cross multiply
    16,106.45x = 22,215.65 × 15,564.56
  4. Step 4: Simplify right side
    16,106.45x = 345,776,628.46
  5. Step 5: Solve for x
    x = 345,776,628.46/16,106.45
  6. Step 6: Final answer
    x = 21,468.22

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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.