Home / 10,114.80-15,172.08-3,539.04

Finding the Fourth Proportional to 10,114.80, 15,172.08 and 3,539.04

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Solution

The fourth proportional to 10,114.80, 15,172.08 and 3,539.04 is: 5,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.80 : 15,172.08 = 3,539.04 : x
  2. Step 2: Convert to fraction form
    10,114.80/15,172.08 = 3,539.04/x
  3. Step 3: Cross multiply
    10,114.80x = 15,172.08 × 3,539.04
  4. Step 4: Simplify right side
    10,114.80x = 53,694,598.00
  5. Step 5: Solve for x
    x = 53,694,598.00/10,114.80
  6. Step 6: Final answer
    x = 5,308.52

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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.