Home / 19,975.68-29,969.46-8,880.84

Finding the Fourth Proportional to 19,975.68, 29,969.46 and 8,880.84

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Solution

The fourth proportional to 19,975.68, 29,969.46 and 8,880.84 is: 13,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.68 : 29,969.46 = 8,880.84 : x
  2. Step 2: Convert to fraction form
    19,975.68/29,969.46 = 8,880.84/x
  3. Step 3: Cross multiply
    19,975.68x = 29,969.46 × 8,880.84
  4. Step 4: Simplify right side
    19,975.68x = 266,153,979.15
  5. Step 5: Solve for x
    x = 266,153,979.15/19,975.68
  6. Step 6: Final answer
    x = 13,323.90

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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.