Home / 12,614.96-17,399.40-8,358.32

Finding the Fourth Proportional to 12,614.96, 17,399.40 and 8,358.32

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Solution

The fourth proportional to 12,614.96, 17,399.40 and 8,358.32 is: 11,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.96 : 17,399.40 = 8,358.32 : x
  2. Step 2: Convert to fraction form
    12,614.96/17,399.40 = 8,358.32/x
  3. Step 3: Cross multiply
    12,614.96x = 17,399.40 × 8,358.32
  4. Step 4: Simplify right side
    12,614.96x = 145,429,753.01
  5. Step 5: Solve for x
    x = 145,429,753.01/12,614.96
  6. Step 6: Final answer
    x = 11,528.36

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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.