Home / 19,909.90-27,464.23-12,444.94

Finding the Fourth Proportional to 19,909.90, 27,464.23 and 12,444.94

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Solution

The fourth proportional to 19,909.90, 27,464.23 and 12,444.94 is: 17,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.90 : 27,464.23 = 12,444.94 : x
  2. Step 2: Convert to fraction form
    19,909.90/27,464.23 = 12,444.94/x
  3. Step 3: Cross multiply
    19,909.90x = 27,464.23 × 12,444.94
  4. Step 4: Simplify right side
    19,909.90x = 341,790,594.72
  5. Step 5: Solve for x
    x = 341,790,594.72/19,909.90
  6. Step 6: Final answer
    x = 17,166.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.