Home / 14,653.86-21,980.81-3,560.55

Finding the Fourth Proportional to 14,653.86, 21,980.81 and 3,560.55

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Solution

The fourth proportional to 14,653.86, 21,980.81 and 3,560.55 is: 5,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.86 : 21,980.81 = 3,560.55 : x
  2. Step 2: Convert to fraction form
    14,653.86/21,980.81 = 3,560.55/x
  3. Step 3: Cross multiply
    14,653.86x = 21,980.81 × 3,560.55
  4. Step 4: Simplify right side
    14,653.86x = 78,263,828.00
  5. Step 5: Solve for x
    x = 78,263,828.00/14,653.86
  6. Step 6: Final answer
    x = 5,340.84

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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.