Home / 16,779.20-25,168.80-14,446.40

Finding the Fourth Proportional to 16,779.20, 25,168.80 and 14,446.40

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Solution

The fourth proportional to 16,779.20, 25,168.80 and 14,446.40 is: 21,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.20 : 25,168.80 = 14,446.40 : x
  2. Step 2: Convert to fraction form
    16,779.20/25,168.80 = 14,446.40/x
  3. Step 3: Cross multiply
    16,779.20x = 25,168.80 × 14,446.40
  4. Step 4: Simplify right side
    16,779.20x = 363,598,552.32
  5. Step 5: Solve for x
    x = 363,598,552.32/16,779.20
  6. Step 6: Final answer
    x = 21,669.60

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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.