Home / 18,468.52-27,686.35-6,779.00

Finding the Fourth Proportional to 18,468.52, 27,686.35 and 6,779.00

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Solution

The fourth proportional to 18,468.52, 27,686.35 and 6,779.00 is: 10,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.52 : 27,686.35 = 6,779.00 : x
  2. Step 2: Convert to fraction form
    18,468.52/27,686.35 = 6,779.00/x
  3. Step 3: Cross multiply
    18,468.52x = 27,686.35 × 6,779.00
  4. Step 4: Simplify right side
    18,468.52x = 187,685,818.92
  5. Step 5: Solve for x
    x = 187,685,818.92/18,468.52
  6. Step 6: Final answer
    x = 10,162.47

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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.