Home / 14,779.80-22,137.30-12,835.80

Finding the Fourth Proportional to 14,779.80, 22,137.30 and 12,835.80

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Solution

The fourth proportional to 14,779.80, 22,137.30 and 12,835.80 is: 19,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.80 : 22,137.30 = 12,835.80 : x
  2. Step 2: Convert to fraction form
    14,779.80/22,137.30 = 12,835.80/x
  3. Step 3: Cross multiply
    14,779.80x = 22,137.30 × 12,835.80
  4. Step 4: Simplify right side
    14,779.80x = 284,149,955.34
  5. Step 5: Solve for x
    x = 284,149,955.34/14,779.80
  6. Step 6: Final answer
    x = 19,225.56

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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.