Home / 10,569.95-15,853.67-2,779.37

Finding the Fourth Proportional to 10,569.95, 15,853.67 and 2,779.37

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Solution

The fourth proportional to 10,569.95, 15,853.67 and 2,779.37 is: 4,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.95 : 15,853.67 = 2,779.37 : x
  2. Step 2: Convert to fraction form
    10,569.95/15,853.67 = 2,779.37/x
  3. Step 3: Cross multiply
    10,569.95x = 15,853.67 × 2,779.37
  4. Step 4: Simplify right side
    10,569.95x = 44,063,247.47
  5. Step 5: Solve for x
    x = 44,063,247.47/10,569.95
  6. Step 6: Final answer
    x = 4,168.73

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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.