Home / 13,482.90-20,225.21-4,123.25

Finding the Fourth Proportional to 13,482.90, 20,225.21 and 4,123.25

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Solution

The fourth proportional to 13,482.90, 20,225.21 and 4,123.25 is: 6,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.90 : 20,225.21 = 4,123.25 : x
  2. Step 2: Convert to fraction form
    13,482.90/20,225.21 = 4,123.25/x
  3. Step 3: Cross multiply
    13,482.90x = 20,225.21 × 4,123.25
  4. Step 4: Simplify right side
    13,482.90x = 83,393,597.13
  5. Step 5: Solve for x
    x = 83,393,597.13/13,482.90
  6. Step 6: Final answer
    x = 6,185.14

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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.