Home / 19,214.94-26,520.84-12,488.88

Finding the Fourth Proportional to 19,214.94, 26,520.84 and 12,488.88

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Solution

The fourth proportional to 19,214.94, 26,520.84 and 12,488.88 is: 17,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.94 : 26,520.84 = 12,488.88 : x
  2. Step 2: Convert to fraction form
    19,214.94/26,520.84 = 12,488.88/x
  3. Step 3: Cross multiply
    19,214.94x = 26,520.84 × 12,488.88
  4. Step 4: Simplify right side
    19,214.94x = 331,215,588.26
  5. Step 5: Solve for x
    x = 331,215,588.26/19,214.94
  6. Step 6: Final answer
    x = 17,237.40

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Similar ratio
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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.