Home / 20,554.58-28,364.82-11,602.46

Finding the Fourth Proportional to 20,554.58, 28,364.82 and 11,602.46

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Solution

The fourth proportional to 20,554.58, 28,364.82 and 11,602.46 is: 16,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.58 : 28,364.82 = 11,602.46 : x
  2. Step 2: Convert to fraction form
    20,554.58/28,364.82 = 11,602.46/x
  3. Step 3: Cross multiply
    20,554.58x = 28,364.82 × 11,602.46
  4. Step 4: Simplify right side
    20,554.58x = 329,101,689.46
  5. Step 5: Solve for x
    x = 329,101,689.46/20,554.58
  6. Step 6: Final answer
    x = 16,011.11

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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.