Home / 15,182.96-20,952.68-8,895.92

Finding the Fourth Proportional to 15,182.96, 20,952.68 and 8,895.92

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Solution

The fourth proportional to 15,182.96, 20,952.68 and 8,895.92 is: 12,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.96 : 20,952.68 = 8,895.92 : x
  2. Step 2: Convert to fraction form
    15,182.96/20,952.68 = 8,895.92/x
  3. Step 3: Cross multiply
    15,182.96x = 20,952.68 × 8,895.92
  4. Step 4: Simplify right side
    15,182.96x = 186,393,365.07
  5. Step 5: Solve for x
    x = 186,393,365.07/15,182.96
  6. Step 6: Final answer
    x = 12,276.48

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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.