Home / 15,204.04-20,980.01-9,235.35

Finding the Fourth Proportional to 15,204.04, 20,980.01 and 9,235.35

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Solution

The fourth proportional to 15,204.04, 20,980.01 and 9,235.35 is: 12,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.04 : 20,980.01 = 9,235.35 : x
  2. Step 2: Convert to fraction form
    15,204.04/20,980.01 = 9,235.35/x
  3. Step 3: Cross multiply
    15,204.04x = 20,980.01 × 9,235.35
  4. Step 4: Simplify right side
    15,204.04x = 193,757,758.44
  5. Step 5: Solve for x
    x = 193,757,758.44/15,204.04
  6. Step 6: Final answer
    x = 12,743.84

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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.