Home / 15,019.98-22,525.11-8,779.74

Finding the Fourth Proportional to 15,019.98, 22,525.11 and 8,779.74

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Solution

The fourth proportional to 15,019.98, 22,525.11 and 8,779.74 is: 13,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.98 : 22,525.11 = 8,779.74 : x
  2. Step 2: Convert to fraction form
    15,019.98/22,525.11 = 8,779.74/x
  3. Step 3: Cross multiply
    15,019.98x = 22,525.11 × 8,779.74
  4. Step 4: Simplify right side
    15,019.98x = 197,764,609.27
  5. Step 5: Solve for x
    x = 197,764,609.27/15,019.98
  6. Step 6: Final answer
    x = 13,166.77

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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.