Home / 19,509.49-29,265.07-7,665.83

Finding the Fourth Proportional to 19,509.49, 29,265.07 and 7,665.83

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Solution

The fourth proportional to 19,509.49, 29,265.07 and 7,665.83 is: 11,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.49 : 29,265.07 = 7,665.83 : x
  2. Step 2: Convert to fraction form
    19,509.49/29,265.07 = 7,665.83/x
  3. Step 3: Cross multiply
    19,509.49x = 29,265.07 × 7,665.83
  4. Step 4: Simplify right side
    19,509.49x = 224,341,051.56
  5. Step 5: Solve for x
    x = 224,341,051.56/19,509.49
  6. Step 6: Final answer
    x = 11,499.07

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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.