Home / 19,945.55-29,890.07-11,064.76

Finding the Fourth Proportional to 19,945.55, 29,890.07 and 11,064.76

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Solution

The fourth proportional to 19,945.55, 29,890.07 and 11,064.76 is: 16,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.55 : 29,890.07 = 11,064.76 : x
  2. Step 2: Convert to fraction form
    19,945.55/29,890.07 = 11,064.76/x
  3. Step 3: Cross multiply
    19,945.55x = 29,890.07 × 11,064.76
  4. Step 4: Simplify right side
    19,945.55x = 330,726,362.38
  5. Step 5: Solve for x
    x = 330,726,362.38/19,945.55
  6. Step 6: Final answer
    x = 16,581.47

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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.