Home / 10,140.78-15,212.06-3,567.02

Finding the Fourth Proportional to 10,140.78, 15,212.06 and 3,567.02

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Solution

The fourth proportional to 10,140.78, 15,212.06 and 3,567.02 is: 5,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.78 : 15,212.06 = 3,567.02 : x
  2. Step 2: Convert to fraction form
    10,140.78/15,212.06 = 3,567.02/x
  3. Step 3: Cross multiply
    10,140.78x = 15,212.06 × 3,567.02
  4. Step 4: Simplify right side
    10,140.78x = 54,261,722.26
  5. Step 5: Solve for x
    x = 54,261,722.26/10,140.78
  6. Step 6: Final answer
    x = 5,350.84

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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.