Home / 20,454.63-28,226.10-11,502.03

Finding the Fourth Proportional to 20,454.63, 28,226.10 and 11,502.03

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Solution

The fourth proportional to 20,454.63, 28,226.10 and 11,502.03 is: 15,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.63 : 28,226.10 = 11,502.03 : x
  2. Step 2: Convert to fraction form
    20,454.63/28,226.10 = 11,502.03/x
  3. Step 3: Cross multiply
    20,454.63x = 28,226.10 × 11,502.03
  4. Step 4: Simplify right side
    20,454.63x = 324,657,448.98
  5. Step 5: Solve for x
    x = 324,657,448.98/20,454.63
  6. Step 6: Final answer
    x = 15,872.08

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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.