Home / 22,779.85-34,139.95-12,237.54

Finding the Fourth Proportional to 22,779.85, 34,139.95 and 12,237.54

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Solution

The fourth proportional to 22,779.85, 34,139.95 and 12,237.54 is: 18,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.85 : 34,139.95 = 12,237.54 : x
  2. Step 2: Convert to fraction form
    22,779.85/34,139.95 = 12,237.54/x
  3. Step 3: Cross multiply
    22,779.85x = 34,139.95 × 12,237.54
  4. Step 4: Simplify right side
    22,779.85x = 417,788,942.54
  5. Step 5: Solve for x
    x = 417,788,942.54/22,779.85
  6. Step 6: Final answer
    x = 18,340.29

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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.