Home / 19,254.50-28,877.60-11,243.92

Finding the Fourth Proportional to 19,254.50, 28,877.60 and 11,243.92

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Solution

The fourth proportional to 19,254.50, 28,877.60 and 11,243.92 is: 16,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.50 : 28,877.60 = 11,243.92 : x
  2. Step 2: Convert to fraction form
    19,254.50/28,877.60 = 11,243.92/x
  3. Step 3: Cross multiply
    19,254.50x = 28,877.60 × 11,243.92
  4. Step 4: Simplify right side
    19,254.50x = 324,697,424.19
  5. Step 5: Solve for x
    x = 324,697,424.19/19,254.50
  6. Step 6: Final answer
    x = 16,863.46

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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.