Home / 11,430.12-17,141.49-3,637.11

Finding the Fourth Proportional to 11,430.12, 17,141.49 and 3,637.11

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Solution

The fourth proportional to 11,430.12, 17,141.49 and 3,637.11 is: 5,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.12 : 17,141.49 = 3,637.11 : x
  2. Step 2: Convert to fraction form
    11,430.12/17,141.49 = 3,637.11/x
  3. Step 3: Cross multiply
    11,430.12x = 17,141.49 × 3,637.11
  4. Step 4: Simplify right side
    11,430.12x = 62,345,484.69
  5. Step 5: Solve for x
    x = 62,345,484.69/11,430.12
  6. Step 6: Final answer
    x = 5,454.49

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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.