Home / 16,779.46-25,146.62-8,465.45

Finding the Fourth Proportional to 16,779.46, 25,146.62 and 8,465.45

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Solution

The fourth proportional to 16,779.46, 25,146.62 and 8,465.45 is: 12,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.46 : 25,146.62 = 8,465.45 : x
  2. Step 2: Convert to fraction form
    16,779.46/25,146.62 = 8,465.45/x
  3. Step 3: Cross multiply
    16,779.46x = 25,146.62 × 8,465.45
  4. Step 4: Simplify right side
    16,779.46x = 212,877,454.28
  5. Step 5: Solve for x
    x = 212,877,454.28/16,779.46
  6. Step 6: Final answer
    x = 12,686.79

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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.