Home / 11,478.06-17,206.08-3,681.54

Finding the Fourth Proportional to 11,478.06, 17,206.08 and 3,681.54

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Solution

The fourth proportional to 11,478.06, 17,206.08 and 3,681.54 is: 5,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.06 : 17,206.08 = 3,681.54 : x
  2. Step 2: Convert to fraction form
    11,478.06/17,206.08 = 3,681.54/x
  3. Step 3: Cross multiply
    11,478.06x = 17,206.08 × 3,681.54
  4. Step 4: Simplify right side
    11,478.06x = 63,344,871.76
  5. Step 5: Solve for x
    x = 63,344,871.76/11,478.06
  6. Step 6: Final answer
    x = 5,518.78

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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.