Home / 19,477.87-26,869.83-12,208.65

Finding the Fourth Proportional to 19,477.87, 26,869.83 and 12,208.65

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Solution

The fourth proportional to 19,477.87, 26,869.83 and 12,208.65 is: 16,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.87 : 26,869.83 = 12,208.65 : x
  2. Step 2: Convert to fraction form
    19,477.87/26,869.83 = 12,208.65/x
  3. Step 3: Cross multiply
    19,477.87x = 26,869.83 × 12,208.65
  4. Step 4: Simplify right side
    19,477.87x = 328,044,279.06
  5. Step 5: Solve for x
    x = 328,044,279.06/19,477.87
  6. Step 6: Final answer
    x = 16,841.90

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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.