Home / 14,779.72-20,397.99-9,475.84

Finding the Fourth Proportional to 14,779.72, 20,397.99 and 9,475.84

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Solution

The fourth proportional to 14,779.72, 20,397.99 and 9,475.84 is: 13,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.72 : 20,397.99 = 9,475.84 : x
  2. Step 2: Convert to fraction form
    14,779.72/20,397.99 = 9,475.84/x
  3. Step 3: Cross multiply
    14,779.72x = 20,397.99 × 9,475.84
  4. Step 4: Simplify right side
    14,779.72x = 193,288,089.56
  5. Step 5: Solve for x
    x = 193,288,089.56/14,779.72
  6. Step 6: Final answer
    x = 13,077.93

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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.