Home / 12,877.60-19,311.36-4,554.40

Finding the Fourth Proportional to 12,877.60, 19,311.36 and 4,554.40

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Solution

The fourth proportional to 12,877.60, 19,311.36 and 4,554.40 is: 6,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.60 : 19,311.36 = 4,554.40 : x
  2. Step 2: Convert to fraction form
    12,877.60/19,311.36 = 4,554.40/x
  3. Step 3: Cross multiply
    12,877.60x = 19,311.36 × 4,554.40
  4. Step 4: Simplify right side
    12,877.60x = 87,951,657.98
  5. Step 5: Solve for x
    x = 87,951,657.98/12,877.60
  6. Step 6: Final answer
    x = 6,829.82

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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.