Home / 19,277.32-28,898.46-7,423.54

Finding the Fourth Proportional to 19,277.32, 28,898.46 and 7,423.54

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Solution

The fourth proportional to 19,277.32, 28,898.46 and 7,423.54 is: 11,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.32 : 28,898.46 = 7,423.54 : x
  2. Step 2: Convert to fraction form
    19,277.32/28,898.46 = 7,423.54/x
  3. Step 3: Cross multiply
    19,277.32x = 28,898.46 × 7,423.54
  4. Step 4: Simplify right side
    19,277.32x = 214,528,873.75
  5. Step 5: Solve for x
    x = 214,528,873.75/19,277.32
  6. Step 6: Final answer
    x = 11,128.56

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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.