Home / 19,149.16-28,732.66-7,459.24

Finding the Fourth Proportional to 19,149.16, 28,732.66 and 7,459.24

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Solution

The fourth proportional to 19,149.16, 28,732.66 and 7,459.24 is: 11,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.16 : 28,732.66 = 7,459.24 : x
  2. Step 2: Convert to fraction form
    19,149.16/28,732.66 = 7,459.24/x
  3. Step 3: Cross multiply
    19,149.16x = 28,732.66 × 7,459.24
  4. Step 4: Simplify right side
    19,149.16x = 214,323,806.78
  5. Step 5: Solve for x
    x = 214,323,806.78/19,149.16
  6. Step 6: Final answer
    x = 11,192.33

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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.