Home / 13,962.30-20,986.65-13,703.10

Finding the Fourth Proportional to 13,962.30, 20,986.65 and 13,703.10

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Solution

The fourth proportional to 13,962.30, 20,986.65 and 13,703.10 is: 20,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.30 : 20,986.65 = 13,703.10 : x
  2. Step 2: Convert to fraction form
    13,962.30/20,986.65 = 13,703.10/x
  3. Step 3: Cross multiply
    13,962.30x = 20,986.65 × 13,703.10
  4. Step 4: Simplify right side
    13,962.30x = 287,582,163.62
  5. Step 5: Solve for x
    x = 287,582,163.62/13,962.30
  6. Step 6: Final answer
    x = 20,597.05

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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.