Home / 13,851.96-20,762.16-5,952.12

Finding the Fourth Proportional to 13,851.96, 20,762.16 and 5,952.12

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Solution

The fourth proportional to 13,851.96, 20,762.16 and 5,952.12 is: 8,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.96 : 20,762.16 = 5,952.12 : x
  2. Step 2: Convert to fraction form
    13,851.96/20,762.16 = 5,952.12/x
  3. Step 3: Cross multiply
    13,851.96x = 20,762.16 × 5,952.12
  4. Step 4: Simplify right side
    13,851.96x = 123,578,867.78
  5. Step 5: Solve for x
    x = 123,578,867.78/13,851.96
  6. Step 6: Final answer
    x = 8,921.40

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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.