Home / 10,084.80-15,131.52-3,507.40

Finding the Fourth Proportional to 10,084.80, 15,131.52 and 3,507.40

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Solution

The fourth proportional to 10,084.80, 15,131.52 and 3,507.40 is: 5,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.80 : 15,131.52 = 3,507.40 : x
  2. Step 2: Convert to fraction form
    10,084.80/15,131.52 = 3,507.40/x
  3. Step 3: Cross multiply
    10,084.80x = 15,131.52 × 3,507.40
  4. Step 4: Simplify right side
    10,084.80x = 53,072,293.25
  5. Step 5: Solve for x
    x = 53,072,293.25/10,084.80
  6. Step 6: Final answer
    x = 5,262.60

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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.