Home / 20,554.74-30,820.16-8,060.13

Finding the Fourth Proportional to 20,554.74, 30,820.16 and 8,060.13

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Solution

The fourth proportional to 20,554.74, 30,820.16 and 8,060.13 is: 12,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.74 : 30,820.16 = 8,060.13 : x
  2. Step 2: Convert to fraction form
    20,554.74/30,820.16 = 8,060.13/x
  3. Step 3: Cross multiply
    20,554.74x = 30,820.16 × 8,060.13
  4. Step 4: Simplify right side
    20,554.74x = 248,414,455.92
  5. Step 5: Solve for x
    x = 248,414,455.92/20,554.74
  6. Step 6: Final answer
    x = 12,085.51

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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.