Home / 19,277.91-28,905.53-9,407.25

Finding the Fourth Proportional to 19,277.91, 28,905.53 and 9,407.25

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Solution

The fourth proportional to 19,277.91, 28,905.53 and 9,407.25 is: 14,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.91 : 28,905.53 = 9,407.25 : x
  2. Step 2: Convert to fraction form
    19,277.91/28,905.53 = 9,407.25/x
  3. Step 3: Cross multiply
    19,277.91x = 28,905.53 × 9,407.25
  4. Step 4: Simplify right side
    19,277.91x = 271,921,500.06
  5. Step 5: Solve for x
    x = 271,921,500.06/19,277.91
  6. Step 6: Final answer
    x = 14,105.34

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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.