Home / 11,430.23-17,146.55-3,637.22

Finding the Fourth Proportional to 11,430.23, 17,146.55 and 3,637.22

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Solution

The fourth proportional to 11,430.23, 17,146.55 and 3,637.22 is: 5,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.23 : 17,146.55 = 3,637.22 : x
  2. Step 2: Convert to fraction form
    11,430.23/17,146.55 = 3,637.22/x
  3. Step 3: Cross multiply
    11,430.23x = 17,146.55 × 3,637.22
  4. Step 4: Simplify right side
    11,430.23x = 62,365,697.95
  5. Step 5: Solve for x
    x = 62,365,697.95/11,430.23
  6. Step 6: Final answer
    x = 5,456.21

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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.