Home / 19,528.94-29,235.80-12,109.52

Finding the Fourth Proportional to 19,528.94, 29,235.80 and 12,109.52

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Solution

The fourth proportional to 19,528.94, 29,235.80 and 12,109.52 is: 18,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.94 : 29,235.80 = 12,109.52 : x
  2. Step 2: Convert to fraction form
    19,528.94/29,235.80 = 12,109.52/x
  3. Step 3: Cross multiply
    19,528.94x = 29,235.80 × 12,109.52
  4. Step 4: Simplify right side
    19,528.94x = 354,031,504.82
  5. Step 5: Solve for x
    x = 354,031,504.82/19,528.94
  6. Step 6: Final answer
    x = 18,128.56

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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.