Home / 15,536.28-21,439.34-8,462.68

Finding the Fourth Proportional to 15,536.28, 21,439.34 and 8,462.68

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Solution

The fourth proportional to 15,536.28, 21,439.34 and 8,462.68 is: 11,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.28 : 21,439.34 = 8,462.68 : x
  2. Step 2: Convert to fraction form
    15,536.28/21,439.34 = 8,462.68/x
  3. Step 3: Cross multiply
    15,536.28x = 21,439.34 × 8,462.68
  4. Step 4: Simplify right side
    15,536.28x = 181,434,273.83
  5. Step 5: Solve for x
    x = 181,434,273.83/15,536.28
  6. Step 6: Final answer
    x = 11,678.10

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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.