Home / 19,528.89-29,296.40-6,378.21

Finding the Fourth Proportional to 19,528.89, 29,296.40 and 6,378.21

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Solution

The fourth proportional to 19,528.89, 29,296.40 and 6,378.21 is: 9,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.89 : 29,296.40 = 6,378.21 : x
  2. Step 2: Convert to fraction form
    19,528.89/29,296.40 = 6,378.21/x
  3. Step 3: Cross multiply
    19,528.89x = 29,296.40 × 6,378.21
  4. Step 4: Simplify right side
    19,528.89x = 186,858,559.55
  5. Step 5: Solve for x
    x = 186,858,559.55/19,528.89
  6. Step 6: Final answer
    x = 9,568.31

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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.