Home / 10,779.63-16,159.06-3,378.93

Finding the Fourth Proportional to 10,779.63, 16,159.06 and 3,378.93

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Solution

The fourth proportional to 10,779.63, 16,159.06 and 3,378.93 is: 5,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.63 : 16,159.06 = 3,378.93 : x
  2. Step 2: Convert to fraction form
    10,779.63/16,159.06 = 3,378.93/x
  3. Step 3: Cross multiply
    10,779.63x = 16,159.06 × 3,378.93
  4. Step 4: Simplify right side
    10,779.63x = 54,600,332.61
  5. Step 5: Solve for x
    x = 54,600,332.61/10,779.63
  6. Step 6: Final answer
    x = 5,065.14

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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.