Home / 15,184.46-22,779.23-12,421.96

Finding the Fourth Proportional to 15,184.46, 22,779.23 and 12,421.96

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Solution

The fourth proportional to 15,184.46, 22,779.23 and 12,421.96 is: 18,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.46 : 22,779.23 = 12,421.96 : x
  2. Step 2: Convert to fraction form
    15,184.46/22,779.23 = 12,421.96/x
  3. Step 3: Cross multiply
    15,184.46x = 22,779.23 × 12,421.96
  4. Step 4: Simplify right side
    15,184.46x = 282,962,564.83
  5. Step 5: Solve for x
    x = 282,962,564.83/15,184.46
  6. Step 6: Final answer
    x = 18,635.01

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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.