Home / 14,948.26-20,479.21-14,387.74

Finding the Fourth Proportional to 14,948.26, 20,479.21 and 14,387.74

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Solution

The fourth proportional to 14,948.26, 20,479.21 and 14,387.74 is: 19,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.26 : 20,479.21 = 14,387.74 : x
  2. Step 2: Convert to fraction form
    14,948.26/20,479.21 = 14,387.74/x
  3. Step 3: Cross multiply
    14,948.26x = 20,479.21 × 14,387.74
  4. Step 4: Simplify right side
    14,948.26x = 294,649,542.65
  5. Step 5: Solve for x
    x = 294,649,542.65/14,948.26
  6. Step 6: Final answer
    x = 19,711.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.