Home / 19,439.04-29,158.57-10,729.31

Finding the Fourth Proportional to 19,439.04, 29,158.57 and 10,729.31

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Solution

The fourth proportional to 19,439.04, 29,158.57 and 10,729.31 is: 16,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.04 : 29,158.57 = 10,729.31 : x
  2. Step 2: Convert to fraction form
    19,439.04/29,158.57 = 10,729.31/x
  3. Step 3: Cross multiply
    19,439.04x = 29,158.57 × 10,729.31
  4. Step 4: Simplify right side
    19,439.04x = 312,851,336.69
  5. Step 5: Solve for x
    x = 312,851,336.69/19,439.04
  6. Step 6: Final answer
    x = 16,093.97

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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.