Home / 13,962.32-19,268.91-8,660.66

Finding the Fourth Proportional to 13,962.32, 19,268.91 and 8,660.66

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Solution

The fourth proportional to 13,962.32, 19,268.91 and 8,660.66 is: 11,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.32 : 19,268.91 = 8,660.66 : x
  2. Step 2: Convert to fraction form
    13,962.32/19,268.91 = 8,660.66/x
  3. Step 3: Cross multiply
    13,962.32x = 19,268.91 × 8,660.66
  4. Step 4: Simplify right side
    13,962.32x = 166,881,478.08
  5. Step 5: Solve for x
    x = 166,881,478.08/13,962.32
  6. Step 6: Final answer
    x = 11,952.27

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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.