Home / 20,600.85-30,888.95-6,554.82

Finding the Fourth Proportional to 20,600.85, 30,888.95 and 6,554.82

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Solution

The fourth proportional to 20,600.85, 30,888.95 and 6,554.82 is: 9,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.85 : 30,888.95 = 6,554.82 : x
  2. Step 2: Convert to fraction form
    20,600.85/30,888.95 = 6,554.82/x
  3. Step 3: Cross multiply
    20,600.85x = 30,888.95 × 6,554.82
  4. Step 4: Simplify right side
    20,600.85x = 202,471,474.46
  5. Step 5: Solve for x
    x = 202,471,474.46/20,600.85
  6. Step 6: Final answer
    x = 9,828.31

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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.