Home / 14,148.86-19,519.98-10,788.20

Finding the Fourth Proportional to 14,148.86, 19,519.98 and 10,788.20

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Solution

The fourth proportional to 14,148.86, 19,519.98 and 10,788.20 is: 14,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.86 : 19,519.98 = 10,788.20 : x
  2. Step 2: Convert to fraction form
    14,148.86/19,519.98 = 10,788.20/x
  3. Step 3: Cross multiply
    14,148.86x = 19,519.98 × 10,788.20
  4. Step 4: Simplify right side
    14,148.86x = 210,585,448.24
  5. Step 5: Solve for x
    x = 210,585,448.24/14,148.86
  6. Step 6: Final answer
    x = 14,883.56

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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.