Home / 14,468.48-21,660-10,786.88

Finding the Fourth Proportional to 14,468.48, 21,660 and 10,786.88

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Solution

The fourth proportional to 14,468.48, 21,660 and 10,786.88 is: 16,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.48 : 21,660 = 10,786.88 : x
  2. Step 2: Convert to fraction form
    14,468.48/21,660 = 10,786.88/x
  3. Step 3: Cross multiply
    14,468.48x = 21,660 × 10,786.88
  4. Step 4: Simplify right side
    14,468.48x = 233,643,820.80
  5. Step 5: Solve for x
    x = 233,643,820.80/14,468.48
  6. Step 6: Final answer
    x = 16,148.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.