Home / 20,554.34-28,335.34-13,468.46

Finding the Fourth Proportional to 20,554.34, 28,335.34 and 13,468.46

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Solution

The fourth proportional to 20,554.34, 28,335.34 and 13,468.46 is: 18,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.34 : 28,335.34 = 13,468.46 : x
  2. Step 2: Convert to fraction form
    20,554.34/28,335.34 = 13,468.46/x
  3. Step 3: Cross multiply
    20,554.34x = 28,335.34 × 13,468.46
  4. Step 4: Simplify right side
    20,554.34x = 381,633,393.38
  5. Step 5: Solve for x
    x = 381,633,393.38/20,554.34
  6. Step 6: Final answer
    x = 18,567.05

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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.