Home / 19,826.52-29,681.46-12,011.64

Finding the Fourth Proportional to 19,826.52, 29,681.46 and 12,011.64

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Solution

The fourth proportional to 19,826.52, 29,681.46 and 12,011.64 is: 17,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.52 : 29,681.46 = 12,011.64 : x
  2. Step 2: Convert to fraction form
    19,826.52/29,681.46 = 12,011.64/x
  3. Step 3: Cross multiply
    19,826.52x = 29,681.46 × 12,011.64
  4. Step 4: Simplify right side
    19,826.52x = 356,523,012.19
  5. Step 5: Solve for x
    x = 356,523,012.19/19,826.52
  6. Step 6: Final answer
    x = 17,982.13

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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.