Home / 15,057.24-22,572.48-5,189.64

Finding the Fourth Proportional to 15,057.24, 22,572.48 and 5,189.64

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Solution

The fourth proportional to 15,057.24, 22,572.48 and 5,189.64 is: 7,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.24 : 22,572.48 = 5,189.64 : x
  2. Step 2: Convert to fraction form
    15,057.24/22,572.48 = 5,189.64/x
  3. Step 3: Cross multiply
    15,057.24x = 22,572.48 × 5,189.64
  4. Step 4: Simplify right side
    15,057.24x = 117,143,045.11
  5. Step 5: Solve for x
    x = 117,143,045.11/15,057.24
  6. Step 6: Final answer
    x = 7,779.85

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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.