Home / 10,720.19-14,794.38-6,471.18

Finding the Fourth Proportional to 10,720.19, 14,794.38 and 6,471.18

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Solution

The fourth proportional to 10,720.19, 14,794.38 and 6,471.18 is: 8,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.19 : 14,794.38 = 6,471.18 : x
  2. Step 2: Convert to fraction form
    10,720.19/14,794.38 = 6,471.18/x
  3. Step 3: Cross multiply
    10,720.19x = 14,794.38 × 6,471.18
  4. Step 4: Simplify right side
    10,720.19x = 95,737,095.97
  5. Step 5: Solve for x
    x = 95,737,095.97/10,720.19
  6. Step 6: Final answer
    x = 8,930.54

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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.