Home / 10,686.86-14,747.91-6,213.23

Finding the Fourth Proportional to 10,686.86, 14,747.91 and 6,213.23

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Solution

The fourth proportional to 10,686.86, 14,747.91 and 6,213.23 is: 8,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.86 : 14,747.91 = 6,213.23 : x
  2. Step 2: Convert to fraction form
    10,686.86/14,747.91 = 6,213.23/x
  3. Step 3: Cross multiply
    10,686.86x = 14,747.91 × 6,213.23
  4. Step 4: Simplify right side
    10,686.86x = 91,632,156.85
  5. Step 5: Solve for x
    x = 91,632,156.85/10,686.86
  6. Step 6: Final answer
    x = 8,574.28

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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.