Home / 14,782.69-20,375.65-10,470.18

Finding the Fourth Proportional to 14,782.69, 20,375.65 and 10,470.18

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Solution

The fourth proportional to 14,782.69, 20,375.65 and 10,470.18 is: 14,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.69 : 20,375.65 = 10,470.18 : x
  2. Step 2: Convert to fraction form
    14,782.69/20,375.65 = 10,470.18/x
  3. Step 3: Cross multiply
    14,782.69x = 20,375.65 × 10,470.18
  4. Step 4: Simplify right side
    14,782.69x = 213,336,723.12
  5. Step 5: Solve for x
    x = 213,336,723.12/14,782.69
  6. Step 6: Final answer
    x = 14,431.52

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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.