Home / 13,870.44-20,805.36-3,482.16

Finding the Fourth Proportional to 13,870.44, 20,805.36 and 3,482.16

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Solution

The fourth proportional to 13,870.44, 20,805.36 and 3,482.16 is: 5,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.44 : 20,805.36 = 3,482.16 : x
  2. Step 2: Convert to fraction form
    13,870.44/20,805.36 = 3,482.16/x
  3. Step 3: Cross multiply
    13,870.44x = 20,805.36 × 3,482.16
  4. Step 4: Simplify right side
    13,870.44x = 72,447,592.38
  5. Step 5: Solve for x
    x = 72,447,592.38/13,870.44
  6. Step 6: Final answer
    x = 5,223.16

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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.