Home / 16,396.04-22,571.81-15,642.84

Finding the Fourth Proportional to 16,396.04, 22,571.81 and 15,642.84

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Solution

The fourth proportional to 16,396.04, 22,571.81 and 15,642.84 is: 21,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.04 : 22,571.81 = 15,642.84 : x
  2. Step 2: Convert to fraction form
    16,396.04/22,571.81 = 15,642.84/x
  3. Step 3: Cross multiply
    16,396.04x = 22,571.81 × 15,642.84
  4. Step 4: Simplify right side
    16,396.04x = 353,087,060.37
  5. Step 5: Solve for x
    x = 353,087,060.37/16,396.04
  6. Step 6: Final answer
    x = 21,534.91

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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.