Home / 13,482.69-20,219.94-4,475.01

Finding the Fourth Proportional to 13,482.69, 20,219.94 and 4,475.01

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Solution

The fourth proportional to 13,482.69, 20,219.94 and 4,475.01 is: 6,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.69 : 20,219.94 = 4,475.01 : x
  2. Step 2: Convert to fraction form
    13,482.69/20,219.94 = 4,475.01/x
  3. Step 3: Cross multiply
    13,482.69x = 20,219.94 × 4,475.01
  4. Step 4: Simplify right side
    13,482.69x = 90,484,433.70
  5. Step 5: Solve for x
    x = 90,484,433.70/13,482.69
  6. Step 6: Final answer
    x = 6,711.16

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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.