Home / 12,877.66-17,774.67-10,544.86

Finding the Fourth Proportional to 12,877.66, 17,774.67 and 10,544.86

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Solution

The fourth proportional to 12,877.66, 17,774.67 and 10,544.86 is: 14,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.66 : 17,774.67 = 10,544.86 : x
  2. Step 2: Convert to fraction form
    12,877.66/17,774.67 = 10,544.86/x
  3. Step 3: Cross multiply
    12,877.66x = 17,774.67 × 10,544.86
  4. Step 4: Simplify right side
    12,877.66x = 187,431,406.70
  5. Step 5: Solve for x
    x = 187,431,406.70/12,877.66
  6. Step 6: Final answer
    x = 14,554.77

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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.