Home / 13,602.54-20,384.66-10,816.85

Finding the Fourth Proportional to 13,602.54, 20,384.66 and 10,816.85

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Solution

The fourth proportional to 13,602.54, 20,384.66 and 10,816.85 is: 16,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.54 : 20,384.66 = 10,816.85 : x
  2. Step 2: Convert to fraction form
    13,602.54/20,384.66 = 10,816.85/x
  3. Step 3: Cross multiply
    13,602.54x = 20,384.66 × 10,816.85
  4. Step 4: Simplify right side
    13,602.54x = 220,497,653.51
  5. Step 5: Solve for x
    x = 220,497,653.51/13,602.54
  6. Step 6: Final answer
    x = 16,210.04

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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.