Home / 19,526.40-29,286.60-6,378.84

Finding the Fourth Proportional to 19,526.40, 29,286.60 and 6,378.84

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Solution

The fourth proportional to 19,526.40, 29,286.60 and 6,378.84 is: 9,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.40 : 29,286.60 = 6,378.84 : x
  2. Step 2: Convert to fraction form
    19,526.40/29,286.60 = 6,378.84/x
  3. Step 3: Cross multiply
    19,526.40x = 29,286.60 × 6,378.84
  4. Step 4: Simplify right side
    19,526.40x = 186,814,535.54
  5. Step 5: Solve for x
    x = 186,814,535.54/19,526.40
  6. Step 6: Final answer
    x = 9,567.28

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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.