Home / 21,060.46-31,590.69-6,269.59

Finding the Fourth Proportional to 21,060.46, 31,590.69 and 6,269.59

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Solution

The fourth proportional to 21,060.46, 31,590.69 and 6,269.59 is: 9,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.46 : 31,590.69 = 6,269.59 : x
  2. Step 2: Convert to fraction form
    21,060.46/31,590.69 = 6,269.59/x
  3. Step 3: Cross multiply
    21,060.46x = 31,590.69 × 6,269.59
  4. Step 4: Simplify right side
    21,060.46x = 198,060,674.12
  5. Step 5: Solve for x
    x = 198,060,674.12/21,060.46
  6. Step 6: Final answer
    x = 9,404.39

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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.