Home / 13,710.86-20,566.30-3,322.62

Finding the Fourth Proportional to 13,710.86, 20,566.30 and 3,322.62

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Solution

The fourth proportional to 13,710.86, 20,566.30 and 3,322.62 is: 4,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.86 : 20,566.30 = 3,322.62 : x
  2. Step 2: Convert to fraction form
    13,710.86/20,566.30 = 3,322.62/x
  3. Step 3: Cross multiply
    13,710.86x = 20,566.30 × 3,322.62
  4. Step 4: Simplify right side
    13,710.86x = 68,333,999.71
  5. Step 5: Solve for x
    x = 68,333,999.71/13,710.86
  6. Step 6: Final answer
    x = 4,983.93

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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.