Home / 16,779.18-25,169.61-6,391.74

Finding the Fourth Proportional to 16,779.18, 25,169.61 and 6,391.74

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Solution

The fourth proportional to 16,779.18, 25,169.61 and 6,391.74 is: 9,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.18 : 25,169.61 = 6,391.74 : x
  2. Step 2: Convert to fraction form
    16,779.18/25,169.61 = 6,391.74/x
  3. Step 3: Cross multiply
    16,779.18x = 25,169.61 × 6,391.74
  4. Step 4: Simplify right side
    16,779.18x = 160,877,603.02
  5. Step 5: Solve for x
    x = 160,877,603.02/16,779.18
  6. Step 6: Final answer
    x = 9,587.93

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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.