Home / 15,134.45-20,895.82-9,471.48

Finding the Fourth Proportional to 15,134.45, 20,895.82 and 9,471.48

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Solution

The fourth proportional to 15,134.45, 20,895.82 and 9,471.48 is: 13,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.45 : 20,895.82 = 9,471.48 : x
  2. Step 2: Convert to fraction form
    15,134.45/20,895.82 = 9,471.48/x
  3. Step 3: Cross multiply
    15,134.45x = 20,895.82 × 9,471.48
  4. Step 4: Simplify right side
    15,134.45x = 197,914,341.21
  5. Step 5: Solve for x
    x = 197,914,341.21/15,134.45
  6. Step 6: Final answer
    x = 13,077.08

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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.