Home / 19,289.34-28,912.14-7,588.89

Finding the Fourth Proportional to 19,289.34, 28,912.14 and 7,588.89

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Solution

The fourth proportional to 19,289.34, 28,912.14 and 7,588.89 is: 11,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.34 : 28,912.14 = 7,588.89 : x
  2. Step 2: Convert to fraction form
    19,289.34/28,912.14 = 7,588.89/x
  3. Step 3: Cross multiply
    19,289.34x = 28,912.14 × 7,588.89
  4. Step 4: Simplify right side
    19,289.34x = 219,411,050.12
  5. Step 5: Solve for x
    x = 219,411,050.12/19,289.34
  6. Step 6: Final answer
    x = 11,374.73

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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.