Home / 15,464.25-21,346.20-9,176.63

Finding the Fourth Proportional to 15,464.25, 21,346.20 and 9,176.63

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Solution

The fourth proportional to 15,464.25, 21,346.20 and 9,176.63 is: 12,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.25 : 21,346.20 = 9,176.63 : x
  2. Step 2: Convert to fraction form
    15,464.25/21,346.20 = 9,176.63/x
  3. Step 3: Cross multiply
    15,464.25x = 21,346.20 × 9,176.63
  4. Step 4: Simplify right side
    15,464.25x = 195,886,072.58
  5. Step 5: Solve for x
    x = 195,886,072.58/15,464.25
  6. Step 6: Final answer
    x = 12,667.03

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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.