Home / 10,450.08-15,675.48-3,430.08

Finding the Fourth Proportional to 10,450.08, 15,675.48 and 3,430.08

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Solution

The fourth proportional to 10,450.08, 15,675.48 and 3,430.08 is: 5,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.08 : 15,675.48 = 3,430.08 : x
  2. Step 2: Convert to fraction form
    10,450.08/15,675.48 = 3,430.08/x
  3. Step 3: Cross multiply
    10,450.08x = 15,675.48 × 3,430.08
  4. Step 4: Simplify right side
    10,450.08x = 53,768,150.44
  5. Step 5: Solve for x
    x = 53,768,150.44/10,450.08
  6. Step 6: Final answer
    x = 5,145.24

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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.