Home / 15,614.08-21,544-10,579.20

Finding the Fourth Proportional to 15,614.08, 21,544 and 10,579.20

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Solution

The fourth proportional to 15,614.08, 21,544 and 10,579.20 is: 14,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.08 : 21,544 = 10,579.20 : x
  2. Step 2: Convert to fraction form
    15,614.08/21,544 = 10,579.20/x
  3. Step 3: Cross multiply
    15,614.08x = 21,544 × 10,579.20
  4. Step 4: Simplify right side
    15,614.08x = 227,918,284.80
  5. Step 5: Solve for x
    x = 227,918,284.80/15,614.08
  6. Step 6: Final answer
    x = 14,596.97

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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.