Home / 14,423.14-21,590.88-12,877.66

Finding the Fourth Proportional to 14,423.14, 21,590.88 and 12,877.66

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Solution

The fourth proportional to 14,423.14, 21,590.88 and 12,877.66 is: 19,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.14 : 21,590.88 = 12,877.66 : x
  2. Step 2: Convert to fraction form
    14,423.14/21,590.88 = 12,877.66/x
  3. Step 3: Cross multiply
    14,423.14x = 21,590.88 × 12,877.66
  4. Step 4: Simplify right side
    14,423.14x = 278,040,011.74
  5. Step 5: Solve for x
    x = 278,040,011.74/14,423.14
  6. Step 6: Final answer
    x = 19,277.36

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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.