Home / 10,176.45-15,262.26-2,779.14

Finding the Fourth Proportional to 10,176.45, 15,262.26 and 2,779.14

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Solution

The fourth proportional to 10,176.45, 15,262.26 and 2,779.14 is: 4,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.45 : 15,262.26 = 2,779.14 : x
  2. Step 2: Convert to fraction form
    10,176.45/15,262.26 = 2,779.14/x
  3. Step 3: Cross multiply
    10,176.45x = 15,262.26 × 2,779.14
  4. Step 4: Simplify right side
    10,176.45x = 42,415,957.26
  5. Step 5: Solve for x
    x = 42,415,957.26/10,176.45
  6. Step 6: Final answer
    x = 4,168.05

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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.