Home / 15,268.84-20,913.08-14,372.20

Finding the Fourth Proportional to 15,268.84, 20,913.08 and 14,372.20

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Solution

The fourth proportional to 15,268.84, 20,913.08 and 14,372.20 is: 19,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.84 : 20,913.08 = 14,372.20 : x
  2. Step 2: Convert to fraction form
    15,268.84/20,913.08 = 14,372.20/x
  3. Step 3: Cross multiply
    15,268.84x = 20,913.08 × 14,372.20
  4. Step 4: Simplify right side
    15,268.84x = 300,566,968.38
  5. Step 5: Solve for x
    x = 300,566,968.38/15,268.84
  6. Step 6: Final answer
    x = 19,684.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.