Home / 19,935.36-29,886.05-8,836.00

Finding the Fourth Proportional to 19,935.36, 29,886.05 and 8,836.00

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Solution

The fourth proportional to 19,935.36, 29,886.05 and 8,836.00 is: 13,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.36 : 29,886.05 = 8,836.00 : x
  2. Step 2: Convert to fraction form
    19,935.36/29,886.05 = 8,836.00/x
  3. Step 3: Cross multiply
    19,935.36x = 29,886.05 × 8,836.00
  4. Step 4: Simplify right side
    19,935.36x = 264,073,085.17
  5. Step 5: Solve for x
    x = 264,073,085.17/19,935.36
  6. Step 6: Final answer
    x = 13,246.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.