Home / 18,702.39-28,053.27-10,816.77

Finding the Fourth Proportional to 18,702.39, 28,053.27 and 10,816.77

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Solution

The fourth proportional to 18,702.39, 28,053.27 and 10,816.77 is: 16,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.39 : 28,053.27 = 10,816.77 : x
  2. Step 2: Convert to fraction form
    18,702.39/28,053.27 = 10,816.77/x
  3. Step 3: Cross multiply
    18,702.39x = 28,053.27 × 10,816.77
  4. Step 4: Simplify right side
    18,702.39x = 303,445,769.34
  5. Step 5: Solve for x
    x = 303,445,769.34/18,702.39
  6. Step 6: Final answer
    x = 16,224.97

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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.