Home / 19,010.64-28,500.60-7,925.68

Finding the Fourth Proportional to 19,010.64, 28,500.60 and 7,925.68

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Solution

The fourth proportional to 19,010.64, 28,500.60 and 7,925.68 is: 11,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.64 : 28,500.60 = 7,925.68 : x
  2. Step 2: Convert to fraction form
    19,010.64/28,500.60 = 7,925.68/x
  3. Step 3: Cross multiply
    19,010.64x = 28,500.60 × 7,925.68
  4. Step 4: Simplify right side
    19,010.64x = 225,886,635.41
  5. Step 5: Solve for x
    x = 225,886,635.41/19,010.64
  6. Step 6: Final answer
    x = 11,882.12

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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.