Home / 19,267.35-26,557.11-12,891.65

Finding the Fourth Proportional to 19,267.35, 26,557.11 and 12,891.65

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Solution

The fourth proportional to 19,267.35, 26,557.11 and 12,891.65 is: 17,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.35 : 26,557.11 = 12,891.65 : x
  2. Step 2: Convert to fraction form
    19,267.35/26,557.11 = 12,891.65/x
  3. Step 3: Cross multiply
    19,267.35x = 26,557.11 × 12,891.65
  4. Step 4: Simplify right side
    19,267.35x = 342,364,834.35
  5. Step 5: Solve for x
    x = 342,364,834.35/19,267.35
  6. Step 6: Final answer
    x = 17,769.17

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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.