Home / 17,646.56-26,445.36-7,771.04

Finding the Fourth Proportional to 17,646.56, 26,445.36 and 7,771.04

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Solution

The fourth proportional to 17,646.56, 26,445.36 and 7,771.04 is: 11,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,646.56 : 26,445.36 = 7,771.04 : x
  2. Step 2: Convert to fraction form
    17,646.56/26,445.36 = 7,771.04/x
  3. Step 3: Cross multiply
    17,646.56x = 26,445.36 × 7,771.04
  4. Step 4: Simplify right side
    17,646.56x = 205,507,950.37
  5. Step 5: Solve for x
    x = 205,507,950.37/17,646.56
  6. Step 6: Final answer
    x = 11,645.78

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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.