Home / 13,975.48-20,957.58-5,653.96

Finding the Fourth Proportional to 13,975.48, 20,957.58 and 5,653.96

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Solution

The fourth proportional to 13,975.48, 20,957.58 and 5,653.96 is: 8,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.48 : 20,957.58 = 5,653.96 : x
  2. Step 2: Convert to fraction form
    13,975.48/20,957.58 = 5,653.96/x
  3. Step 3: Cross multiply
    13,975.48x = 20,957.58 × 5,653.96
  4. Step 4: Simplify right side
    13,975.48x = 118,493,319.02
  5. Step 5: Solve for x
    x = 118,493,319.02/13,975.48
  6. Step 6: Final answer
    x = 8,478.66

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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.