Home / 10,779.60-14,874.79-6,063.78

Finding the Fourth Proportional to 10,779.60, 14,874.79 and 6,063.78

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Solution

The fourth proportional to 10,779.60, 14,874.79 and 6,063.78 is: 8,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.60 : 14,874.79 = 6,063.78 : x
  2. Step 2: Convert to fraction form
    10,779.60/14,874.79 = 6,063.78/x
  3. Step 3: Cross multiply
    10,779.60x = 14,874.79 × 6,063.78
  4. Step 4: Simplify right side
    10,779.60x = 90,197,454.11
  5. Step 5: Solve for x
    x = 90,197,454.11/10,779.60
  6. Step 6: Final answer
    x = 8,367.42

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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.