Home / 19,932.56-27,498.64-12,376.36

Finding the Fourth Proportional to 19,932.56, 27,498.64 and 12,376.36

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Solution

The fourth proportional to 19,932.56, 27,498.64 and 12,376.36 is: 17,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.56 : 27,498.64 = 12,376.36 : x
  2. Step 2: Convert to fraction form
    19,932.56/27,498.64 = 12,376.36/x
  3. Step 3: Cross multiply
    19,932.56x = 27,498.64 × 12,376.36
  4. Step 4: Simplify right side
    19,932.56x = 340,333,068.15
  5. Step 5: Solve for x
    x = 340,333,068.15/19,932.56
  6. Step 6: Final answer
    x = 17,074.23

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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.