Home / 20,554.51-28,362.19-12,053.43

Finding the Fourth Proportional to 20,554.51, 28,362.19 and 12,053.43

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Solution

The fourth proportional to 20,554.51, 28,362.19 and 12,053.43 is: 16,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.51 : 28,362.19 = 12,053.43 : x
  2. Step 2: Convert to fraction form
    20,554.51/28,362.19 = 12,053.43/x
  3. Step 3: Cross multiply
    20,554.51x = 28,362.19 × 12,053.43
  4. Step 4: Simplify right side
    20,554.51x = 341,861,570.77
  5. Step 5: Solve for x
    x = 341,861,570.77/20,554.51
  6. Step 6: Final answer
    x = 16,631.95

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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.