Home / 18,799.34-28,195.46-9,436.83

Finding the Fourth Proportional to 18,799.34, 28,195.46 and 9,436.83

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Solution

The fourth proportional to 18,799.34, 28,195.46 and 9,436.83 is: 14,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.34 : 28,195.46 = 9,436.83 : x
  2. Step 2: Convert to fraction form
    18,799.34/28,195.46 = 9,436.83/x
  3. Step 3: Cross multiply
    18,799.34x = 28,195.46 × 9,436.83
  4. Step 4: Simplify right side
    18,799.34x = 266,075,715.61
  5. Step 5: Solve for x
    x = 266,075,715.61/18,799.34
  6. Step 6: Final answer
    x = 14,153.46

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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.