Home / 10,174.29-15,260.26-2,779.34

Finding the Fourth Proportional to 10,174.29, 15,260.26 and 2,779.34

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Solution

The fourth proportional to 10,174.29, 15,260.26 and 2,779.34 is: 4,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.29 : 15,260.26 = 2,779.34 : x
  2. Step 2: Convert to fraction form
    10,174.29/15,260.26 = 2,779.34/x
  3. Step 3: Cross multiply
    10,174.29x = 15,260.26 × 2,779.34
  4. Step 4: Simplify right side
    10,174.29x = 42,413,437.13
  5. Step 5: Solve for x
    x = 42,413,437.13/10,174.29
  6. Step 6: Final answer
    x = 4,168.69

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1.5x scale

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.