Home / 10,520.93-14,517.59-5,805.21

Finding the Fourth Proportional to 10,520.93, 14,517.59 and 5,805.21

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Solution

The fourth proportional to 10,520.93, 14,517.59 and 5,805.21 is: 8,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.93 : 14,517.59 = 5,805.21 : x
  2. Step 2: Convert to fraction form
    10,520.93/14,517.59 = 5,805.21/x
  3. Step 3: Cross multiply
    10,520.93x = 14,517.59 × 5,805.21
  4. Step 4: Simplify right side
    10,520.93x = 84,277,658.64
  5. Step 5: Solve for x
    x = 84,277,658.64/10,520.93
  6. Step 6: Final answer
    x = 8,010.48

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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.