Home / 15,262.56-21,044.39-12,235.23

Finding the Fourth Proportional to 15,262.56, 21,044.39 and 12,235.23

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Solution

The fourth proportional to 15,262.56, 21,044.39 and 12,235.23 is: 16,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.56 : 21,044.39 = 12,235.23 : x
  2. Step 2: Convert to fraction form
    15,262.56/21,044.39 = 12,235.23/x
  3. Step 3: Cross multiply
    15,262.56x = 21,044.39 × 12,235.23
  4. Step 4: Simplify right side
    15,262.56x = 257,482,890.68
  5. Step 5: Solve for x
    x = 257,482,890.68/15,262.56
  6. Step 6: Final answer
    x = 16,870.23

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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.