Home / 15,452.04-21,322.92-8,739.08

Finding the Fourth Proportional to 15,452.04, 21,322.92 and 8,739.08

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Solution

The fourth proportional to 15,452.04, 21,322.92 and 8,739.08 is: 12,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.04 : 21,322.92 = 8,739.08 : x
  2. Step 2: Convert to fraction form
    15,452.04/21,322.92 = 8,739.08/x
  3. Step 3: Cross multiply
    15,452.04x = 21,322.92 × 8,739.08
  4. Step 4: Simplify right side
    15,452.04x = 186,342,597.10
  5. Step 5: Solve for x
    x = 186,342,597.10/15,452.04
  6. Step 6: Final answer
    x = 12,059.42

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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.