Home / 19,421.46-29,127.83-7,575.51

Finding the Fourth Proportional to 19,421.46, 29,127.83 and 7,575.51

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Solution

The fourth proportional to 19,421.46, 29,127.83 and 7,575.51 is: 11,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.46 : 29,127.83 = 7,575.51 : x
  2. Step 2: Convert to fraction form
    19,421.46/29,127.83 = 7,575.51/x
  3. Step 3: Cross multiply
    19,421.46x = 29,127.83 × 7,575.51
  4. Step 4: Simplify right side
    19,421.46x = 220,658,129.57
  5. Step 5: Solve for x
    x = 220,658,129.57/19,421.46
  6. Step 6: Final answer
    x = 11,361.56

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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.