Home / 14,879.30-20,535.32-8,590.46

Finding the Fourth Proportional to 14,879.30, 20,535.32 and 8,590.46

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Solution

The fourth proportional to 14,879.30, 20,535.32 and 8,590.46 is: 11,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.30 : 20,535.32 = 8,590.46 : x
  2. Step 2: Convert to fraction form
    14,879.30/20,535.32 = 8,590.46/x
  3. Step 3: Cross multiply
    14,879.30x = 20,535.32 × 8,590.46
  4. Step 4: Simplify right side
    14,879.30x = 176,407,763.85
  5. Step 5: Solve for x
    x = 176,407,763.85/14,879.30
  6. Step 6: Final answer
    x = 11,855.92

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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.