Home / 19,463.45-26,860.10-11,909.65

Finding the Fourth Proportional to 19,463.45, 26,860.10 and 11,909.65

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Solution

The fourth proportional to 19,463.45, 26,860.10 and 11,909.65 is: 16,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.45 : 26,860.10 = 11,909.65 : x
  2. Step 2: Convert to fraction form
    19,463.45/26,860.10 = 11,909.65/x
  3. Step 3: Cross multiply
    19,463.45x = 26,860.10 × 11,909.65
  4. Step 4: Simplify right side
    19,463.45x = 319,894,352.59
  5. Step 5: Solve for x
    x = 319,894,352.59/19,463.45
  6. Step 6: Final answer
    x = 16,435.64

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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.