Home / 14,779.80-22,167.81-4,391.55

Finding the Fourth Proportional to 14,779.80, 22,167.81 and 4,391.55

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Solution

The fourth proportional to 14,779.80, 22,167.81 and 4,391.55 is: 6,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.80 : 22,167.81 = 4,391.55 : x
  2. Step 2: Convert to fraction form
    14,779.80/22,167.81 = 4,391.55/x
  3. Step 3: Cross multiply
    14,779.80x = 22,167.81 × 4,391.55
  4. Step 4: Simplify right side
    14,779.80x = 97,351,046.01
  5. Step 5: Solve for x
    x = 97,351,046.01/14,779.80
  6. Step 6: Final answer
    x = 6,586.76

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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.