Home / 12,702.64-19,055.24-4,381.56

Finding the Fourth Proportional to 12,702.64, 19,055.24 and 4,381.56

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Solution

The fourth proportional to 12,702.64, 19,055.24 and 4,381.56 is: 6,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.64 : 19,055.24 = 4,381.56 : x
  2. Step 2: Convert to fraction form
    12,702.64/19,055.24 = 4,381.56/x
  3. Step 3: Cross multiply
    12,702.64x = 19,055.24 × 4,381.56
  4. Step 4: Simplify right side
    12,702.64x = 83,491,677.37
  5. Step 5: Solve for x
    x = 83,491,677.37/12,702.64
  6. Step 6: Final answer
    x = 6,572.78

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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.