Home / 15,327.99-21,154.68-8,614.26

Finding the Fourth Proportional to 15,327.99, 21,154.68 and 8,614.26

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Solution

The fourth proportional to 15,327.99, 21,154.68 and 8,614.26 is: 11,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.99 : 21,154.68 = 8,614.26 : x
  2. Step 2: Convert to fraction form
    15,327.99/21,154.68 = 8,614.26/x
  3. Step 3: Cross multiply
    15,327.99x = 21,154.68 × 8,614.26
  4. Step 4: Simplify right side
    15,327.99x = 182,231,913.74
  5. Step 5: Solve for x
    x = 182,231,913.74/15,327.99
  6. Step 6: Final answer
    x = 11,888.83

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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.