Home / 19,529.40-29,291.10-6,381.84

Finding the Fourth Proportional to 19,529.40, 29,291.10 and 6,381.84

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Solution

The fourth proportional to 19,529.40, 29,291.10 and 6,381.84 is: 9,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.40 : 29,291.10 = 6,381.84 : x
  2. Step 2: Convert to fraction form
    19,529.40/29,291.10 = 6,381.84/x
  3. Step 3: Cross multiply
    19,529.40x = 29,291.10 × 6,381.84
  4. Step 4: Simplify right side
    19,529.40x = 186,931,113.62
  5. Step 5: Solve for x
    x = 186,931,113.62/19,529.40
  6. Step 6: Final answer
    x = 9,571.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.